Home / 12,838,602.66-17,706,940.94-11,286,545.82

Finding the Fourth Proportional to 12,838,602.66, 17,706,940.94 and 11,286,545.82

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Solution

The fourth proportional to 12,838,602.66, 17,706,940.94 and 11,286,545.82 is: 15,566,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,602.66 : 17,706,940.94 = 11,286,545.82 : x
  2. Step 2: Convert to fraction form
    12,838,602.66/17,706,940.94 = 11,286,545.82/x
  3. Step 3: Cross multiply
    12,838,602.66x = 17,706,940.94 × 11,286,545.82
  4. Step 4: Simplify right side
    12,838,602.66x = 199,850,200,251,343.91
  5. Step 5: Solve for x
    x = 199,850,200,251,343.91/12,838,602.66
  6. Step 6: Final answer
    x = 15,566,351.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.