Home / 10,613,418.72-15,888,397.68-6,501,787.44

Finding the Fourth Proportional to 10,613,418.72, 15,888,397.68 and 6,501,787.44

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Solution

The fourth proportional to 10,613,418.72, 15,888,397.68 and 6,501,787.44 is: 9,733,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613,418.72 : 15,888,397.68 = 6,501,787.44 : x
  2. Step 2: Convert to fraction form
    10,613,418.72/15,888,397.68 = 6,501,787.44/x
  3. Step 3: Cross multiply
    10,613,418.72x = 15,888,397.68 × 6,501,787.44
  4. Step 4: Simplify right side
    10,613,418.72x = 103,302,984,477,549.14
  5. Step 5: Solve for x
    x = 103,302,984,477,549.14/10,613,418.72
  6. Step 6: Final answer
    x = 9,733,243.10

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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.