Home / 8,749,209.40-13,123,814.10-5,543,942.20

Finding the Fourth Proportional to 8,749,209.40, 13,123,814.10 and 5,543,942.20

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Solution

The fourth proportional to 8,749,209.40, 13,123,814.10 and 5,543,942.20 is: 8,315,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,209.40 : 13,123,814.10 = 5,543,942.20 : x
  2. Step 2: Convert to fraction form
    8,749,209.40/13,123,814.10 = 5,543,942.20/x
  3. Step 3: Cross multiply
    8,749,209.40x = 13,123,814.10 × 5,543,942.20
  4. Step 4: Simplify right side
    8,749,209.40x = 72,757,666,813,945.02
  5. Step 5: Solve for x
    x = 72,757,666,813,945.02/8,749,209.40
  6. Step 6: Final answer
    x = 8,315,913.30

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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.