Home / 39,420,451.22-59,130,822.09-12,126,554.87

Finding the Fourth Proportional to 39,420,451.22, 59,130,822.09 and 12,126,554.87

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Solution

The fourth proportional to 39,420,451.22, 59,130,822.09 and 12,126,554.87 is: 18,189,876.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420,451.22 : 59,130,822.09 = 12,126,554.87 : x
  2. Step 2: Convert to fraction form
    39,420,451.22/59,130,822.09 = 12,126,554.87/x
  3. Step 3: Cross multiply
    39,420,451.22x = 59,130,822.09 × 12,126,554.87
  4. Step 4: Simplify right side
    39,420,451.22x = 717,053,158,582,593.12
  5. Step 5: Solve for x
    x = 717,053,158,582,593.12/39,420,451.22
  6. Step 6: Final answer
    x = 18,189,876.99

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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.