Home / 7,290,147.30-10,935,220.95-6,870,243.30

Finding the Fourth Proportional to 7,290,147.30, 10,935,220.95 and 6,870,243.30

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Solution

The fourth proportional to 7,290,147.30, 10,935,220.95 and 6,870,243.30 is: 10,305,364.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,147.30 : 10,935,220.95 = 6,870,243.30 : x
  2. Step 2: Convert to fraction form
    7,290,147.30/10,935,220.95 = 6,870,243.30/x
  3. Step 3: Cross multiply
    7,290,147.30x = 10,935,220.95 × 6,870,243.30
  4. Step 4: Simplify right side
    7,290,147.30x = 75,127,628,465,757.12
  5. Step 5: Solve for x
    x = 75,127,628,465,757.12/7,290,147.30
  6. Step 6: Final answer
    x = 10,305,364.95

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Double scale
Find fourth proportional to 7,290,148.30, 10,935,222.45 and 6,870,244.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.