Home / 12,535,331.12-17,292,390.48-8,186,962.76

Finding the Fourth Proportional to 12,535,331.12, 17,292,390.48 and 8,186,962.76

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Solution

The fourth proportional to 12,535,331.12, 17,292,390.48 and 8,186,962.76 is: 11,293,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535,331.12 : 17,292,390.48 = 8,186,962.76 : x
  2. Step 2: Convert to fraction form
    12,535,331.12/17,292,390.48 = 8,186,962.76/x
  3. Step 3: Cross multiply
    12,535,331.12x = 17,292,390.48 × 8,186,962.76
  4. Step 4: Simplify right side
    12,535,331.12x = 141,572,156,869,523.03
  5. Step 5: Solve for x
    x = 141,572,156,869,523.03/12,535,331.12
  6. Step 6: Final answer
    x = 11,293,850.60

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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.