Home / 8,543,835.40-12,790,869.90-8,295,003.40

Finding the Fourth Proportional to 8,543,835.40, 12,790,869.90 and 8,295,003.40

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Solution

The fourth proportional to 8,543,835.40, 12,790,869.90 and 8,295,003.40 is: 12,418,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543,835.40 : 12,790,869.90 = 8,295,003.40 : x
  2. Step 2: Convert to fraction form
    8,543,835.40/12,790,869.90 = 8,295,003.40/x
  3. Step 3: Cross multiply
    8,543,835.40x = 12,790,869.90 × 8,295,003.40
  4. Step 4: Simplify right side
    8,543,835.40x = 106,100,309,309,457.67
  5. Step 5: Solve for x
    x = 106,100,309,309,457.67/8,543,835.40
  6. Step 6: Final answer
    x = 12,418,346.60

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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.