Home / 12,492,079.30-18,738,118.95-9,654,228.10

Finding the Fourth Proportional to 12,492,079.30, 18,738,118.95 and 9,654,228.10

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Solution

The fourth proportional to 12,492,079.30, 18,738,118.95 and 9,654,228.10 is: 14,481,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,079.30 : 18,738,118.95 = 9,654,228.10 : x
  2. Step 2: Convert to fraction form
    12,492,079.30/18,738,118.95 = 9,654,228.10/x
  3. Step 3: Cross multiply
    12,492,079.30x = 18,738,118.95 × 9,654,228.10
  4. Step 4: Simplify right side
    12,492,079.30x = 180,902,074,508,232.47
  5. Step 5: Solve for x
    x = 180,902,074,508,232.47/12,492,079.30
  6. Step 6: Final answer
    x = 14,481,342.15

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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.