Home / 20,553,307.32-30,744,755.44-15,658,577.76

Finding the Fourth Proportional to 20,553,307.32, 30,744,755.44 and 15,658,577.76

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Solution

The fourth proportional to 20,553,307.32, 30,744,755.44 and 15,658,577.76 is: 23,422,952.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553,307.32 : 30,744,755.44 = 15,658,577.76 : x
  2. Step 2: Convert to fraction form
    20,553,307.32/30,744,755.44 = 15,658,577.76/x
  3. Step 3: Cross multiply
    20,553,307.32x = 30,744,755.44 × 15,658,577.76
  4. Step 4: Simplify right side
    20,553,307.32x = 481,419,143,769,423
  5. Step 5: Solve for x
    x = 481,419,143,769,423/20,553,307.32
  6. Step 6: Final answer
    x = 23,422,952.63

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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.