Home / 28,392,422.20-42,532,646.10-16,411,161.40

Finding the Fourth Proportional to 28,392,422.20, 42,532,646.10 and 16,411,161.40

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Solution

The fourth proportional to 28,392,422.20, 42,532,646.10 and 16,411,161.40 is: 24,584,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,422.20 : 42,532,646.10 = 16,411,161.40 : x
  2. Step 2: Convert to fraction form
    28,392,422.20/42,532,646.10 = 16,411,161.40/x
  3. Step 3: Cross multiply
    28,392,422.20x = 42,532,646.10 × 16,411,161.40
  4. Step 4: Simplify right side
    28,392,422.20x = 698,010,119,916,180.62
  5. Step 5: Solve for x
    x = 698,010,119,916,180.62/28,392,422.20
  6. Step 6: Final answer
    x = 24,584,380.83

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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.