Home / 20,763,050.70-31,176,068.85-15,976,145.10

Finding the Fourth Proportional to 20,763,050.70, 31,176,068.85 and 15,976,145.10

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Solution

The fourth proportional to 20,763,050.70, 31,176,068.85 and 15,976,145.10 is: 23,988,449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,763,050.70 : 31,176,068.85 = 15,976,145.10 : x
  2. Step 2: Convert to fraction form
    20,763,050.70/31,176,068.85 = 15,976,145.10/x
  3. Step 3: Cross multiply
    20,763,050.70x = 31,176,068.85 × 15,976,145.10
  4. Step 4: Simplify right side
    20,763,050.70x = 498,073,399,595,190.12
  5. Step 5: Solve for x
    x = 498,073,399,595,190.12/20,763,050.70
  6. Step 6: Final answer
    x = 23,988,449.81

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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.