Home / 42,769,480.20-64,156,677.90-12,482,017.80

Finding the Fourth Proportional to 42,769,480.20, 64,156,677.90 and 12,482,017.80

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Solution

The fourth proportional to 42,769,480.20, 64,156,677.90 and 12,482,017.80 is: 18,723,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,769,480.20 : 64,156,677.90 = 12,482,017.80 : x
  2. Step 2: Convert to fraction form
    42,769,480.20/64,156,677.90 = 12,482,017.80/x
  3. Step 3: Cross multiply
    42,769,480.20x = 64,156,677.90 × 12,482,017.80
  4. Step 4: Simplify right side
    42,769,480.20x = 800,804,795,536,666.62
  5. Step 5: Solve for x
    x = 800,804,795,536,666.62/42,769,480.20
  6. Step 6: Final answer
    x = 18,723,743.94

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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.