Home / 8,318,038.40-12,456,062.40-5,462,691.20

Finding the Fourth Proportional to 8,318,038.40, 12,456,062.40 and 5,462,691.20

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Solution

The fourth proportional to 8,318,038.40, 12,456,062.40 and 5,462,691.20 is: 8,180,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,038.40 : 12,456,062.40 = 5,462,691.20 : x
  2. Step 2: Convert to fraction form
    8,318,038.40/12,456,062.40 = 5,462,691.20/x
  3. Step 3: Cross multiply
    8,318,038.40x = 12,456,062.40 × 5,462,691.20
  4. Step 4: Simplify right side
    8,318,038.40x = 68,043,622,459,130.88
  5. Step 5: Solve for x
    x = 68,043,622,459,130.88/8,318,038.40
  6. Step 6: Final answer
    x = 8,180,248.66

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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.