Home / 25,755,740.80-38,638,276.80-12,944,003.20

Finding the Fourth Proportional to 25,755,740.80, 38,638,276.80 and 12,944,003.20

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Solution

The fourth proportional to 25,755,740.80, 38,638,276.80 and 12,944,003.20 is: 19,418,349.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755,740.80 : 38,638,276.80 = 12,944,003.20 : x
  2. Step 2: Convert to fraction form
    25,755,740.80/38,638,276.80 = 12,944,003.20/x
  3. Step 3: Cross multiply
    25,755,740.80x = 38,638,276.80 × 12,944,003.20
  4. Step 4: Simplify right side
    25,755,740.80x = 500,133,978,541,685.69
  5. Step 5: Solve for x
    x = 500,133,978,541,685.69/25,755,740.80
  6. Step 6: Final answer
    x = 19,418,349.58

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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.