Home / 38,992,205.68-53,810,064.90-21,351,849.10

Finding the Fourth Proportional to 38,992,205.68, 53,810,064.90 and 21,351,849.10

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Solution

The fourth proportional to 38,992,205.68, 53,810,064.90 and 21,351,849.10 is: 29,466,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,992,205.68 : 53,810,064.90 = 21,351,849.10 : x
  2. Step 2: Convert to fraction form
    38,992,205.68/53,810,064.90 = 21,351,849.10/x
  3. Step 3: Cross multiply
    38,992,205.68x = 53,810,064.90 × 21,351,849.10
  4. Step 4: Simplify right side
    38,992,205.68x = 1,148,944,385,806,006.75
  5. Step 5: Solve for x
    x = 1,148,944,385,806,006.75/38,992,205.68
  6. Step 6: Final answer
    x = 29,466,001.37

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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.