Home / 25,953,781.80-38,930,672.70-12,516,853.80

Finding the Fourth Proportional to 25,953,781.80, 38,930,672.70 and 12,516,853.80

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Solution

The fourth proportional to 25,953,781.80, 38,930,672.70 and 12,516,853.80 is: 18,775,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,953,781.80 : 38,930,672.70 = 12,516,853.80 : x
  2. Step 2: Convert to fraction form
    25,953,781.80/38,930,672.70 = 12,516,853.80/x
  3. Step 3: Cross multiply
    25,953,781.80x = 38,930,672.70 × 12,516,853.80
  4. Step 4: Simplify right side
    25,953,781.80x = 487,289,538,521,551.31
  5. Step 5: Solve for x
    x = 487,289,538,521,551.31/25,953,781.80
  6. Step 6: Final answer
    x = 18,775,280.70

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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.