Home / 20,160,685.70-30,241,028.55-7,376,941.70

Finding the Fourth Proportional to 20,160,685.70, 30,241,028.55 and 7,376,941.70

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Solution

The fourth proportional to 20,160,685.70, 30,241,028.55 and 7,376,941.70 is: 11,065,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,685.70 : 30,241,028.55 = 7,376,941.70 : x
  2. Step 2: Convert to fraction form
    20,160,685.70/30,241,028.55 = 7,376,941.70/x
  3. Step 3: Cross multiply
    20,160,685.70x = 30,241,028.55 × 7,376,941.70
  4. Step 4: Simplify right side
    20,160,685.70x = 223,086,304,561,385.53
  5. Step 5: Solve for x
    x = 223,086,304,561,385.53/20,160,685.70
  6. Step 6: Final answer
    x = 11,065,412.55

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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.