Home / 8,343,815.28-11,513,513.04-4,672,221.36

Finding the Fourth Proportional to 8,343,815.28, 11,513,513.04 and 4,672,221.36

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Solution

The fourth proportional to 8,343,815.28, 11,513,513.04 and 4,672,221.36 is: 6,447,132.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343,815.28 : 11,513,513.04 = 4,672,221.36 : x
  2. Step 2: Convert to fraction form
    8,343,815.28/11,513,513.04 = 4,672,221.36/x
  3. Step 3: Cross multiply
    8,343,815.28x = 11,513,513.04 × 4,672,221.36
  4. Step 4: Simplify right side
    8,343,815.28x = 53,793,681,554,126.53
  5. Step 5: Solve for x
    x = 53,793,681,554,126.53/8,343,815.28
  6. Step 6: Final answer
    x = 6,447,132.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.