Home / 18,191,805.90-27,287,708.85-7,403,553.60

Finding the Fourth Proportional to 18,191,805.90, 27,287,708.85 and 7,403,553.60

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Solution

The fourth proportional to 18,191,805.90, 27,287,708.85 and 7,403,553.60 is: 11,105,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,805.90 : 27,287,708.85 = 7,403,553.60 : x
  2. Step 2: Convert to fraction form
    18,191,805.90/27,287,708.85 = 7,403,553.60/x
  3. Step 3: Cross multiply
    18,191,805.90x = 27,287,708.85 × 7,403,553.60
  4. Step 4: Simplify right side
    18,191,805.90x = 202,026,015,092,169.38
  5. Step 5: Solve for x
    x = 202,026,015,092,169.38/18,191,805.90
  6. Step 6: Final answer
    x = 11,105,330.40

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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.