Home / 28,849,818.96-39,812,819.76-15,797,939.04

Finding the Fourth Proportional to 28,849,818.96, 39,812,819.76 and 15,797,939.04

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Solution

The fourth proportional to 28,849,818.96, 39,812,819.76 and 15,797,939.04 is: 21,801,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849,818.96 : 39,812,819.76 = 15,797,939.04 : x
  2. Step 2: Convert to fraction form
    28,849,818.96/39,812,819.76 = 15,797,939.04/x
  3. Step 3: Cross multiply
    28,849,818.96x = 39,812,819.76 × 15,797,939.04
  4. Step 4: Simplify right side
    28,849,818.96x = 628,960,499,578,987.38
  5. Step 5: Solve for x
    x = 628,960,499,578,987.38/28,849,818.96
  6. Step 6: Final answer
    x = 21,801,193.98

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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.