Home / 18,810,700.50-28,209,279.96-6,511,321.92

Finding the Fourth Proportional to 18,810,700.50, 28,209,279.96 and 6,511,321.92

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Solution

The fourth proportional to 18,810,700.50, 28,209,279.96 and 6,511,321.92 is: 9,764,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,810,700.50 : 28,209,279.96 = 6,511,321.92 : x
  2. Step 2: Convert to fraction form
    18,810,700.50/28,209,279.96 = 6,511,321.92/x
  3. Step 3: Cross multiply
    18,810,700.50x = 28,209,279.96 × 6,511,321.92
  4. Step 4: Simplify right side
    18,810,700.50x = 183,679,702,950,964.72
  5. Step 5: Solve for x
    x = 183,679,702,950,964.72/18,810,700.50
  6. Step 6: Final answer
    x = 9,764,639.17

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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.