Home / 12,591,545.80-18,906,326.70-10,059,680.20

Finding the Fourth Proportional to 12,591,545.80, 18,906,326.70 and 10,059,680.20

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Solution

The fourth proportional to 12,591,545.80, 18,906,326.70 and 10,059,680.20 is: 15,104,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,545.80 : 18,906,326.70 = 10,059,680.20 : x
  2. Step 2: Convert to fraction form
    12,591,545.80/18,906,326.70 = 10,059,680.20/x
  3. Step 3: Cross multiply
    12,591,545.80x = 18,906,326.70 × 10,059,680.20
  4. Step 4: Simplify right side
    12,591,545.80x = 190,191,600,358,721.31
  5. Step 5: Solve for x
    x = 190,191,600,358,721.31/12,591,545.80
  6. Step 6: Final answer
    x = 15,104,706.24

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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.