Home / 18,705,494.28-28,059,330.06-5,243,372.04

Finding the Fourth Proportional to 18,705,494.28, 28,059,330.06 and 5,243,372.04

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Solution

The fourth proportional to 18,705,494.28, 28,059,330.06 and 5,243,372.04 is: 7,865,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705,494.28 : 28,059,330.06 = 5,243,372.04 : x
  2. Step 2: Convert to fraction form
    18,705,494.28/28,059,330.06 = 5,243,372.04/x
  3. Step 3: Cross multiply
    18,705,494.28x = 28,059,330.06 × 5,243,372.04
  4. Step 4: Simplify right side
    18,705,494.28x = 147,125,506,697,735.53
  5. Step 5: Solve for x
    x = 147,125,506,697,735.53/18,705,494.28
  6. Step 6: Final answer
    x = 7,865,363.22

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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.