Home / 38,998,849.48-53,818,379.10-21,595,194.40

Finding the Fourth Proportional to 38,998,849.48, 53,818,379.10 and 21,595,194.40

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Solution

The fourth proportional to 38,998,849.48, 53,818,379.10 and 21,595,194.40 is: 29,801,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,998,849.48 : 53,818,379.10 = 21,595,194.40 : x
  2. Step 2: Convert to fraction form
    38,998,849.48/53,818,379.10 = 21,595,194.40/x
  3. Step 3: Cross multiply
    38,998,849.48x = 53,818,379.10 × 21,595,194.40
  4. Step 4: Simplify right side
    38,998,849.48x = 1,162,218,358,957,397
  5. Step 5: Solve for x
    x = 1,162,218,358,957,397/38,998,849.48
  6. Step 6: Final answer
    x = 29,801,349.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.