Home / 8,197,039.30-12,303,432.15-4,158,087.70

Finding the Fourth Proportional to 8,197,039.30, 12,303,432.15 and 4,158,087.70

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Solution

The fourth proportional to 8,197,039.30, 12,303,432.15 and 4,158,087.70 is: 6,241,125.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,039.30 : 12,303,432.15 = 4,158,087.70 : x
  2. Step 2: Convert to fraction form
    8,197,039.30/12,303,432.15 = 4,158,087.70/x
  3. Step 3: Cross multiply
    8,197,039.30x = 12,303,432.15 × 4,158,087.70
  4. Step 4: Simplify right side
    8,197,039.30x = 51,158,749,890,699.56
  5. Step 5: Solve for x
    x = 51,158,749,890,699.56/8,197,039.30
  6. Step 6: Final answer
    x = 6,241,125.36

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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.