Home / 8,291,229.40-12,436,844.10-2,898,087.40

Finding the Fourth Proportional to 8,291,229.40, 12,436,844.10 and 2,898,087.40

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Solution

The fourth proportional to 8,291,229.40, 12,436,844.10 and 2,898,087.40 is: 4,347,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291,229.40 : 12,436,844.10 = 2,898,087.40 : x
  2. Step 2: Convert to fraction form
    8,291,229.40/12,436,844.10 = 2,898,087.40/x
  3. Step 3: Cross multiply
    8,291,229.40x = 12,436,844.10 × 2,898,087.40
  4. Step 4: Simplify right side
    8,291,229.40x = 36,043,061,181,974.34
  5. Step 5: Solve for x
    x = 36,043,061,181,974.34/8,291,229.40
  6. Step 6: Final answer
    x = 4,347,131.10

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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.