Home / 18,704,472.30-28,056,708.45-18,144,600.30

Finding the Fourth Proportional to 18,704,472.30, 28,056,708.45 and 18,144,600.30

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Solution

The fourth proportional to 18,704,472.30, 28,056,708.45 and 18,144,600.30 is: 27,216,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704,472.30 : 28,056,708.45 = 18,144,600.30 : x
  2. Step 2: Convert to fraction form
    18,704,472.30/28,056,708.45 = 18,144,600.30/x
  3. Step 3: Cross multiply
    18,704,472.30x = 28,056,708.45 × 18,144,600.30
  4. Step 4: Simplify right side
    18,704,472.30x = 509,077,760,558,882.56
  5. Step 5: Solve for x
    x = 509,077,760,558,882.56/18,704,472.30
  6. Step 6: Final answer
    x = 27,216,900.45

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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.