Home / 12,456,044.20-18,684,066.30-11,180,585.80

Finding the Fourth Proportional to 12,456,044.20, 18,684,066.30 and 11,180,585.80

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Solution

The fourth proportional to 12,456,044.20, 18,684,066.30 and 11,180,585.80 is: 16,770,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,044.20 : 18,684,066.30 = 11,180,585.80 : x
  2. Step 2: Convert to fraction form
    12,456,044.20/18,684,066.30 = 11,180,585.80/x
  3. Step 3: Cross multiply
    12,456,044.20x = 18,684,066.30 × 11,180,585.80
  4. Step 4: Simplify right side
    12,456,044.20x = 208,898,806,360,038.56
  5. Step 5: Solve for x
    x = 208,898,806,360,038.56/12,456,044.20
  6. Step 6: Final answer
    x = 16,770,878.70

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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.