Home / 25,748,400.80-38,627,266.80-12,936,663.20

Finding the Fourth Proportional to 25,748,400.80, 38,627,266.80 and 12,936,663.20

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Solution

The fourth proportional to 25,748,400.80, 38,627,266.80 and 12,936,663.20 is: 19,407,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748,400.80 : 38,627,266.80 = 12,936,663.20 : x
  2. Step 2: Convert to fraction form
    25,748,400.80/38,627,266.80 = 12,936,663.20/x
  3. Step 3: Cross multiply
    25,748,400.80x = 38,627,266.80 × 12,936,663.20
  4. Step 4: Simplify right side
    25,748,400.80x = 499,707,940,928,141.69
  5. Step 5: Solve for x
    x = 499,707,940,928,141.69/25,748,400.80
  6. Step 6: Final answer
    x = 19,407,338.92

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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.