Home / 12,456,065.80-18,684,098.70-12,288,104.20

Finding the Fourth Proportional to 12,456,065.80, 18,684,098.70 and 12,288,104.20

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Solution

The fourth proportional to 12,456,065.80, 18,684,098.70 and 12,288,104.20 is: 18,432,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,065.80 : 18,684,098.70 = 12,288,104.20 : x
  2. Step 2: Convert to fraction form
    12,456,065.80/18,684,098.70 = 12,288,104.20/x
  3. Step 3: Cross multiply
    12,456,065.80x = 18,684,098.70 × 12,288,104.20
  4. Step 4: Simplify right side
    12,456,065.80x = 229,592,151,708,684.53
  5. Step 5: Solve for x
    x = 229,592,151,708,684.53/12,456,065.80
  6. Step 6: Final answer
    x = 18,432,156.30

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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.