Home / 13,742,007.10-20,613,010.65-8,059,306.30

Finding the Fourth Proportional to 13,742,007.10, 20,613,010.65 and 8,059,306.30

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Solution

The fourth proportional to 13,742,007.10, 20,613,010.65 and 8,059,306.30 is: 12,088,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,007.10 : 20,613,010.65 = 8,059,306.30 : x
  2. Step 2: Convert to fraction form
    13,742,007.10/20,613,010.65 = 8,059,306.30/x
  3. Step 3: Cross multiply
    13,742,007.10x = 20,613,010.65 × 8,059,306.30
  4. Step 4: Simplify right side
    13,742,007.10x = 166,126,566,593,512.09
  5. Step 5: Solve for x
    x = 166,126,566,593,512.09/13,742,007.10
  6. Step 6: Final answer
    x = 12,088,959.45

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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.