Home / 18,691,972.41-28,037,733-4,857,705.70

Finding the Fourth Proportional to 18,691,972.41, 28,037,733 and 4,857,705.70

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Solution

The fourth proportional to 18,691,972.41, 28,037,733 and 4,857,705.70 is: 7,286,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691,972.41 : 28,037,733 = 4,857,705.70 : x
  2. Step 2: Convert to fraction form
    18,691,972.41/28,037,733 = 4,857,705.70/x
  3. Step 3: Cross multiply
    18,691,972.41x = 28,037,733 × 4,857,705.70
  4. Step 4: Simplify right side
    18,691,972.41x = 136,199,055,409,178.11
  5. Step 5: Solve for x
    x = 136,199,055,409,178.11/18,691,972.41
  6. Step 6: Final answer
    x = 7,286,499.92

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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.