Home / 18,177,557.90-27,242,778.75-7,382,318.13

Finding the Fourth Proportional to 18,177,557.90, 27,242,778.75 and 7,382,318.13

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Solution

The fourth proportional to 18,177,557.90, 27,242,778.75 and 7,382,318.13 is: 11,063,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177,557.90 : 27,242,778.75 = 7,382,318.13 : x
  2. Step 2: Convert to fraction form
    18,177,557.90/27,242,778.75 = 7,382,318.13/x
  3. Step 3: Cross multiply
    18,177,557.90x = 27,242,778.75 × 7,382,318.13
  4. Step 4: Simplify right side
    18,177,557.90x = 201,114,859,491,538.19
  5. Step 5: Solve for x
    x = 201,114,859,491,538.19/18,177,557.90
  6. Step 6: Final answer
    x = 11,063,909.72

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1.5x scale

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.