Home / 20,619,360.56-28,454,307-11,451,689.84

Finding the Fourth Proportional to 20,619,360.56, 28,454,307 and 11,451,689.84

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Solution

The fourth proportional to 20,619,360.56, 28,454,307 and 11,451,689.84 is: 15,803,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,619,360.56 : 28,454,307 = 11,451,689.84 : x
  2. Step 2: Convert to fraction form
    20,619,360.56/28,454,307 = 11,451,689.84/x
  3. Step 3: Cross multiply
    20,619,360.56x = 28,454,307 × 11,451,689.84
  4. Step 4: Simplify right side
    20,619,360.56x = 325,849,898,376,140.88
  5. Step 5: Solve for x
    x = 325,849,898,376,140.88/20,619,360.56
  6. Step 6: Final answer
    x = 15,803,103.95

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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.