Home / 20,161,246.65-30,241,869.98-5,015,178.15

Finding the Fourth Proportional to 20,161,246.65, 30,241,869.98 and 5,015,178.15

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Solution

The fourth proportional to 20,161,246.65, 30,241,869.98 and 5,015,178.15 is: 7,522,767.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,246.65 : 30,241,869.98 = 5,015,178.15 : x
  2. Step 2: Convert to fraction form
    20,161,246.65/30,241,869.98 = 5,015,178.15/x
  3. Step 3: Cross multiply
    20,161,246.65x = 30,241,869.98 × 5,015,178.15
  4. Step 4: Simplify right side
    20,161,246.65x = 151,668,365,513,761.06
  5. Step 5: Solve for x
    x = 151,668,365,513,761.06/20,161,246.65
  6. Step 6: Final answer
    x = 7,522,767.23

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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.