Home / 8,309,825.40-12,461,627.70-2,916,391.80

Finding the Fourth Proportional to 8,309,825.40, 12,461,627.70 and 2,916,391.80

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Solution

The fourth proportional to 8,309,825.40, 12,461,627.70 and 2,916,391.80 is: 4,373,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,825.40 : 12,461,627.70 = 2,916,391.80 : x
  2. Step 2: Convert to fraction form
    8,309,825.40/12,461,627.70 = 2,916,391.80/x
  3. Step 3: Cross multiply
    8,309,825.40x = 12,461,627.70 × 2,916,391.80
  4. Step 4: Simplify right side
    8,309,825.40x = 36,342,988,838,932.86
  5. Step 5: Solve for x
    x = 36,342,988,838,932.86/8,309,825.40
  6. Step 6: Final answer
    x = 4,373,496.08

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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.