Home / 10,080,504.30-15,120,756.45-7,246,152.30

Finding the Fourth Proportional to 10,080,504.30, 15,120,756.45 and 7,246,152.30

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Solution

The fourth proportional to 10,080,504.30, 15,120,756.45 and 7,246,152.30 is: 10,869,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,504.30 : 15,120,756.45 = 7,246,152.30 : x
  2. Step 2: Convert to fraction form
    10,080,504.30/15,120,756.45 = 7,246,152.30/x
  3. Step 3: Cross multiply
    10,080,504.30x = 15,120,756.45 × 7,246,152.30
  4. Step 4: Simplify right side
    10,080,504.30x = 109,567,304,127,907.33
  5. Step 5: Solve for x
    x = 109,567,304,127,907.33/10,080,504.30
  6. Step 6: Final answer
    x = 10,869,228.45

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Double scale
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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.