Home / 15,112,618.68-20,855,182.33-8,497,212.95

Finding the Fourth Proportional to 15,112,618.68, 20,855,182.33 and 8,497,212.95

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Solution

The fourth proportional to 15,112,618.68, 20,855,182.33 and 8,497,212.95 is: 11,726,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112,618.68 : 20,855,182.33 = 8,497,212.95 : x
  2. Step 2: Convert to fraction form
    15,112,618.68/20,855,182.33 = 8,497,212.95/x
  3. Step 3: Cross multiply
    15,112,618.68x = 20,855,182.33 × 8,497,212.95
  4. Step 4: Simplify right side
    15,112,618.68x = 177,210,925,369,087.16
  5. Step 5: Solve for x
    x = 177,210,925,369,087.16/15,112,618.68
  6. Step 6: Final answer
    x = 11,726,023.74

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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.