Home / 28,431,028.40-42,646,542.60-16,337,793.20

Finding the Fourth Proportional to 28,431,028.40, 42,646,542.60 and 16,337,793.20

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Solution

The fourth proportional to 28,431,028.40, 42,646,542.60 and 16,337,793.20 is: 24,506,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431,028.40 : 42,646,542.60 = 16,337,793.20 : x
  2. Step 2: Convert to fraction form
    28,431,028.40/42,646,542.60 = 16,337,793.20/x
  3. Step 3: Cross multiply
    28,431,028.40x = 42,646,542.60 × 16,337,793.20
  4. Step 4: Simplify right side
    28,431,028.40x = 696,750,393,693,790.38
  5. Step 5: Solve for x
    x = 696,750,393,693,790.38/28,431,028.40
  6. Step 6: Final answer
    x = 24,506,689.80

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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.