Home / 10,967,033.76-15,129,741.89-6,613,700.91

Finding the Fourth Proportional to 10,967,033.76, 15,129,741.89 and 6,613,700.91

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Solution

The fourth proportional to 10,967,033.76, 15,129,741.89 and 6,613,700.91 is: 9,124,033.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967,033.76 : 15,129,741.89 = 6,613,700.91 : x
  2. Step 2: Convert to fraction form
    10,967,033.76/15,129,741.89 = 6,613,700.91/x
  3. Step 3: Cross multiply
    10,967,033.76x = 15,129,741.89 × 6,613,700.91
  4. Step 4: Simplify right side
    10,967,033.76x = 100,063,587,672,889.61
  5. Step 5: Solve for x
    x = 100,063,587,672,889.61/10,967,033.76
  6. Step 6: Final answer
    x = 9,124,033.89

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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.