Home / 28,023,874.60-42,043,685.10-13,647,411.40

Finding the Fourth Proportional to 28,023,874.60, 42,043,685.10 and 13,647,411.40

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Solution

The fourth proportional to 28,023,874.60, 42,043,685.10 and 13,647,411.40 is: 20,474,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023,874.60 : 42,043,685.10 = 13,647,411.40 : x
  2. Step 2: Convert to fraction form
    28,023,874.60/42,043,685.10 = 13,647,411.40/x
  3. Step 3: Cross multiply
    28,023,874.60x = 42,043,685.10 × 13,647,411.40
  4. Step 4: Simplify right side
    28,023,874.60x = 573,787,467,331,750.12
  5. Step 5: Solve for x
    x = 573,787,467,331,750.12/28,023,874.60
  6. Step 6: Final answer
    x = 20,474,951.29

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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.