Home / 13,625,456.68-20,421,355.28-11,692,782.88

Finding the Fourth Proportional to 13,625,456.68, 20,421,355.28 and 11,692,782.88

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Solution

The fourth proportional to 13,625,456.68, 20,421,355.28 and 11,692,782.88 is: 17,524,731.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625,456.68 : 20,421,355.28 = 11,692,782.88 : x
  2. Step 2: Convert to fraction form
    13,625,456.68/20,421,355.28 = 11,692,782.88/x
  3. Step 3: Cross multiply
    13,625,456.68x = 20,421,355.28 × 11,692,782.88
  4. Step 4: Simplify right side
    13,625,456.68x = 238,782,473,404,381.62
  5. Step 5: Solve for x
    x = 238,782,473,404,381.62/13,625,456.68
  6. Step 6: Final answer
    x = 17,524,731.76

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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.