Home / 36,700,142.70-55,048,464.45-12,436,689.90

Finding the Fourth Proportional to 36,700,142.70, 55,048,464.45 and 12,436,689.90

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Solution

The fourth proportional to 36,700,142.70, 55,048,464.45 and 12,436,689.90 is: 18,654,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,700,142.70 : 55,048,464.45 = 12,436,689.90 : x
  2. Step 2: Convert to fraction form
    36,700,142.70/55,048,464.45 = 12,436,689.90/x
  3. Step 3: Cross multiply
    36,700,142.70x = 55,048,464.45 × 12,436,689.90
  4. Step 4: Simplify right side
    36,700,142.70x = 684,620,681,835,824.12
  5. Step 5: Solve for x
    x = 684,620,681,835,824.12/36,700,142.70
  6. Step 6: Final answer
    x = 18,654,441.96

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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.