Home / 6,912,030.10-10,368,045.15-3,888,721.30

Finding the Fourth Proportional to 6,912,030.10, 10,368,045.15 and 3,888,721.30

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Solution

The fourth proportional to 6,912,030.10, 10,368,045.15 and 3,888,721.30 is: 5,833,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,030.10 : 10,368,045.15 = 3,888,721.30 : x
  2. Step 2: Convert to fraction form
    6,912,030.10/10,368,045.15 = 3,888,721.30/x
  3. Step 3: Cross multiply
    6,912,030.10x = 10,368,045.15 × 3,888,721.30
  4. Step 4: Simplify right side
    6,912,030.10x = 40,318,438,014,166.70
  5. Step 5: Solve for x
    x = 40,318,438,014,166.70/6,912,030.10
  6. Step 6: Final answer
    x = 5,833,081.95

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Double scale
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Similar ratio
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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.