Home / 18,148,020.30-27,222,030.45-9,078,093.90

Finding the Fourth Proportional to 18,148,020.30, 27,222,030.45 and 9,078,093.90

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Solution

The fourth proportional to 18,148,020.30, 27,222,030.45 and 9,078,093.90 is: 13,617,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,020.30 : 27,222,030.45 = 9,078,093.90 : x
  2. Step 2: Convert to fraction form
    18,148,020.30/27,222,030.45 = 9,078,093.90/x
  3. Step 3: Cross multiply
    18,148,020.30x = 27,222,030.45 × 9,078,093.90
  4. Step 4: Simplify right side
    18,148,020.30x = 247,124,148,573,759.25
  5. Step 5: Solve for x
    x = 247,124,148,573,759.25/18,148,020.30
  6. Step 6: Final answer
    x = 13,617,140.85

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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.