Home / 18,664,635.40-27,996,953.10-5,201,463.40

Finding the Fourth Proportional to 18,664,635.40, 27,996,953.10 and 5,201,463.40

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Solution

The fourth proportional to 18,664,635.40, 27,996,953.10 and 5,201,463.40 is: 7,802,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664,635.40 : 27,996,953.10 = 5,201,463.40 : x
  2. Step 2: Convert to fraction form
    18,664,635.40/27,996,953.10 = 5,201,463.40/x
  3. Step 3: Cross multiply
    18,664,635.40x = 27,996,953.10 × 5,201,463.40
  4. Step 4: Simplify right side
    18,664,635.40x = 145,625,126,861,166.56
  5. Step 5: Solve for x
    x = 145,625,126,861,166.56/18,664,635.40
  6. Step 6: Final answer
    x = 7,802,195.10

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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.