Home / 20,513,870.46-30,769,950.33-5,367,466.62

Finding the Fourth Proportional to 20,513,870.46, 30,769,950.33 and 5,367,466.62

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Solution

The fourth proportional to 20,513,870.46, 30,769,950.33 and 5,367,466.62 is: 8,050,976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,513,870.46 : 30,769,950.33 = 5,367,466.62 : x
  2. Step 2: Convert to fraction form
    20,513,870.46/30,769,950.33 = 5,367,466.62/x
  3. Step 3: Cross multiply
    20,513,870.46x = 30,769,950.33 × 5,367,466.62
  4. Step 4: Simplify right side
    20,513,870.46x = 165,156,681,295,332.97
  5. Step 5: Solve for x
    x = 165,156,681,295,332.97/20,513,870.46
  6. Step 6: Final answer
    x = 8,050,976.12

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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.