Home / 28,447,712.20-42,690,230.70-16,317,152.20

Finding the Fourth Proportional to 28,447,712.20, 42,690,230.70 and 16,317,152.20

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Solution

The fourth proportional to 28,447,712.20, 42,690,230.70 and 16,317,152.20 is: 24,486,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447,712.20 : 42,690,230.70 = 16,317,152.20 : x
  2. Step 2: Convert to fraction form
    28,447,712.20/42,690,230.70 = 16,317,152.20/x
  3. Step 3: Cross multiply
    28,447,712.20x = 42,690,230.70 × 16,317,152.20
  4. Step 4: Simplify right side
    28,447,712.20x = 696,582,991,785,012.50
  5. Step 5: Solve for x
    x = 696,582,991,785,012.50/28,447,712.20
  6. Step 6: Final answer
    x = 24,486,432.75

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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.