Home / 28,392,421.20-42,532,644.60-16,411,160.40

Finding the Fourth Proportional to 28,392,421.20, 42,532,644.60 and 16,411,160.40

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Solution

The fourth proportional to 28,392,421.20, 42,532,644.60 and 16,411,160.40 is: 24,584,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,421.20 : 42,532,644.60 = 16,411,160.40 : x
  2. Step 2: Convert to fraction form
    28,392,421.20/42,532,644.60 = 16,411,160.40/x
  3. Step 3: Cross multiply
    28,392,421.20x = 42,532,644.60 × 16,411,160.40
  4. Step 4: Simplify right side
    28,392,421.20x = 698,010,052,766,793.88
  5. Step 5: Solve for x
    x = 698,010,052,766,793.88/28,392,421.20
  6. Step 6: Final answer
    x = 24,584,379.33

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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.