Home / 8,124,496.40-12,183,245.40-4,079,421.20

Finding the Fourth Proportional to 8,124,496.40, 12,183,245.40 and 4,079,421.20

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Solution

The fourth proportional to 8,124,496.40, 12,183,245.40 and 4,079,421.20 is: 6,117,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124,496.40 : 12,183,245.40 = 4,079,421.20 : x
  2. Step 2: Convert to fraction form
    8,124,496.40/12,183,245.40 = 4,079,421.20/x
  3. Step 3: Cross multiply
    8,124,496.40x = 12,183,245.40 × 4,079,421.20
  4. Step 4: Simplify right side
    8,124,496.40x = 49,700,589,569,562.48
  5. Step 5: Solve for x
    x = 49,700,589,569,562.48/8,124,496.40
  6. Step 6: Final answer
    x = 6,117,374.80

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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.