Home / 20,690,284.70-30,982,282.95-16,403,327.30

Finding the Fourth Proportional to 20,690,284.70, 30,982,282.95 and 16,403,327.30

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Solution

The fourth proportional to 20,690,284.70, 30,982,282.95 and 16,403,327.30 is: 24,562,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,690,284.70 : 30,982,282.95 = 16,403,327.30 : x
  2. Step 2: Convert to fraction form
    20,690,284.70/30,982,282.95 = 16,403,327.30/x
  3. Step 3: Cross multiply
    20,690,284.70x = 30,982,282.95 × 16,403,327.30
  4. Step 4: Simplify right side
    20,690,284.70x = 508,212,527,730,059.56
  5. Step 5: Solve for x
    x = 508,212,527,730,059.56/20,690,284.70
  6. Step 6: Final answer
    x = 24,562,858.13

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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.