Home / 20,199,374.95-30,299,062.43-13,822,082.95

Finding the Fourth Proportional to 20,199,374.95, 30,299,062.43 and 13,822,082.95

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Solution

The fourth proportional to 20,199,374.95, 30,299,062.43 and 13,822,082.95 is: 20,733,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,374.95 : 30,299,062.43 = 13,822,082.95 : x
  2. Step 2: Convert to fraction form
    20,199,374.95/30,299,062.43 = 13,822,082.95/x
  3. Step 3: Cross multiply
    20,199,374.95x = 30,299,062.43 × 13,822,082.95
  4. Step 4: Simplify right side
    20,199,374.95x = 418,796,154,214,688.56
  5. Step 5: Solve for x
    x = 418,796,154,214,688.56/20,199,374.95
  6. Step 6: Final answer
    x = 20,733,124.43

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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.