Home / 18,656,331.68-25,746,536.94-10,396,405.28

Finding the Fourth Proportional to 18,656,331.68, 25,746,536.94 and 10,396,405.28

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Solution

The fourth proportional to 18,656,331.68, 25,746,536.94 and 10,396,405.28 is: 14,347,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656,331.68 : 25,746,536.94 = 10,396,405.28 : x
  2. Step 2: Convert to fraction form
    18,656,331.68/25,746,536.94 = 10,396,405.28/x
  3. Step 3: Cross multiply
    18,656,331.68x = 25,746,536.94 × 10,396,405.28
  4. Step 4: Simplify right side
    18,656,331.68x = 267,671,432,584,731.03
  5. Step 5: Solve for x
    x = 267,671,432,584,731.03/18,656,331.68
  6. Step 6: Final answer
    x = 14,347,484.66

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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.