Home / 18,386,864-27,570,104.58-8,528,174.24

Finding the Fourth Proportional to 18,386,864, 27,570,104.58 and 8,528,174.24

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Solution

The fourth proportional to 18,386,864, 27,570,104.58 and 8,528,174.24 is: 12,787,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386,864 : 27,570,104.58 = 8,528,174.24 : x
  2. Step 2: Convert to fraction form
    18,386,864/27,570,104.58 = 8,528,174.24/x
  3. Step 3: Cross multiply
    18,386,864x = 27,570,104.58 × 8,528,174.24
  4. Step 4: Simplify right side
    18,386,864x = 235,122,655,673,262
  5. Step 5: Solve for x
    x = 235,122,655,673,262/18,386,864
  6. Step 6: Final answer
    x = 12,787,534.39

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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.