Home / 18,386,998.60-27,580,497.90-15,552,646.60

Finding the Fourth Proportional to 18,386,998.60, 27,580,497.90 and 15,552,646.60

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Solution

The fourth proportional to 18,386,998.60, 27,580,497.90 and 15,552,646.60 is: 23,328,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386,998.60 : 27,580,497.90 = 15,552,646.60 : x
  2. Step 2: Convert to fraction form
    18,386,998.60/27,580,497.90 = 15,552,646.60/x
  3. Step 3: Cross multiply
    18,386,998.60x = 27,580,497.90 × 15,552,646.60
  4. Step 4: Simplify right side
    18,386,998.60x = 428,949,736,890,742.12
  5. Step 5: Solve for x
    x = 428,949,736,890,742.12/18,386,998.60
  6. Step 6: Final answer
    x = 23,328,969.90

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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.