Home / 18,718,098.20-28,053,527.70-9,112,794.20

Finding the Fourth Proportional to 18,718,098.20, 28,053,527.70 and 9,112,794.20

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Solution

The fourth proportional to 18,718,098.20, 28,053,527.70 and 9,112,794.20 is: 13,657,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718,098.20 : 28,053,527.70 = 9,112,794.20 : x
  2. Step 2: Convert to fraction form
    18,718,098.20/28,053,527.70 = 9,112,794.20/x
  3. Step 3: Cross multiply
    18,718,098.20x = 28,053,527.70 × 9,112,794.20
  4. Step 4: Simplify right side
    18,718,098.20x = 255,646,024,514,099.31
  5. Step 5: Solve for x
    x = 255,646,024,514,099.31/18,718,098.20
  6. Step 6: Final answer
    x = 13,657,692.24

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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.