Home / 13,655,900.57-18,847,832.90-8,146,517.90

Finding the Fourth Proportional to 13,655,900.57, 18,847,832.90 and 8,146,517.90

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Solution

The fourth proportional to 13,655,900.57, 18,847,832.90 and 8,146,517.90 is: 11,243,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655,900.57 : 18,847,832.90 = 8,146,517.90 : x
  2. Step 2: Convert to fraction form
    13,655,900.57/18,847,832.90 = 8,146,517.90/x
  3. Step 3: Cross multiply
    13,655,900.57x = 18,847,832.90 × 8,146,517.90
  4. Step 4: Simplify right side
    13,655,900.57x = 153,544,207,961,087.16
  5. Step 5: Solve for x
    x = 153,544,207,961,087.16/13,655,900.57
  6. Step 6: Final answer
    x = 11,243,799.50

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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.