Home / 15,613,915.59-21,549,466.17-8,997,216.75

Finding the Fourth Proportional to 15,613,915.59, 21,549,466.17 and 8,997,216.75

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Solution

The fourth proportional to 15,613,915.59, 21,549,466.17 and 8,997,216.75 is: 12,417,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613,915.59 : 21,549,466.17 = 8,997,216.75 : x
  2. Step 2: Convert to fraction form
    15,613,915.59/21,549,466.17 = 8,997,216.75/x
  3. Step 3: Cross multiply
    15,613,915.59x = 21,549,466.17 × 8,997,216.75
  4. Step 4: Simplify right side
    15,613,915.59x = 193,885,217,978,282.38
  5. Step 5: Solve for x
    x = 193,885,217,978,282.38/15,613,915.59
  6. Step 6: Final answer
    x = 12,417,462.93

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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.