Home / 18,691,978.42-28,037,742-4,857,711.70

Finding the Fourth Proportional to 18,691,978.42, 28,037,742 and 4,857,711.70

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Solution

The fourth proportional to 18,691,978.42, 28,037,742 and 4,857,711.70 is: 7,286,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691,978.42 : 28,037,742 = 4,857,711.70 : x
  2. Step 2: Convert to fraction form
    18,691,978.42/28,037,742 = 4,857,711.70/x
  3. Step 3: Cross multiply
    18,691,978.42x = 28,037,742 × 4,857,711.70
  4. Step 4: Simplify right side
    18,691,978.42x = 136,199,267,354,981.41
  5. Step 5: Solve for x
    x = 136,199,267,354,981.41/18,691,978.42
  6. Step 6: Final answer
    x = 7,286,508.91

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