Home / 8,303,288.40-12,454,932.60-5,098,021.20

Finding the Fourth Proportional to 8,303,288.40, 12,454,932.60 and 5,098,021.20

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Solution

The fourth proportional to 8,303,288.40, 12,454,932.60 and 5,098,021.20 is: 7,647,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,288.40 : 12,454,932.60 = 5,098,021.20 : x
  2. Step 2: Convert to fraction form
    8,303,288.40/12,454,932.60 = 5,098,021.20/x
  3. Step 3: Cross multiply
    8,303,288.40x = 12,454,932.60 × 5,098,021.20
  4. Step 4: Simplify right side
    8,303,288.40x = 63,495,510,439,371.12
  5. Step 5: Solve for x
    x = 63,495,510,439,371.12/8,303,288.40
  6. Step 6: Final answer
    x = 7,647,031.80

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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.