Home / 28,250,559.07-42,375,981.45-8,818,156.13

Finding the Fourth Proportional to 28,250,559.07, 42,375,981.45 and 8,818,156.13

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Solution

The fourth proportional to 28,250,559.07, 42,375,981.45 and 8,818,156.13 is: 13,227,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250,559.07 : 42,375,981.45 = 8,818,156.13 : x
  2. Step 2: Convert to fraction form
    28,250,559.07/42,375,981.45 = 8,818,156.13/x
  3. Step 3: Cross multiply
    28,250,559.07x = 42,375,981.45 × 8,818,156.13
  4. Step 4: Simplify right side
    28,250,559.07x = 373,678,020,396,873.62
  5. Step 5: Solve for x
    x = 373,678,020,396,873.62/28,250,559.07
  6. Step 6: Final answer
    x = 13,227,278.78

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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.