Home / 13,842,671.40-20,764,007.10-8,169,301.80

Finding the Fourth Proportional to 13,842,671.40, 20,764,007.10 and 8,169,301.80

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Solution

The fourth proportional to 13,842,671.40, 20,764,007.10 and 8,169,301.80 is: 12,253,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,671.40 : 20,764,007.10 = 8,169,301.80 : x
  2. Step 2: Convert to fraction form
    13,842,671.40/20,764,007.10 = 8,169,301.80/x
  3. Step 3: Cross multiply
    13,842,671.40x = 20,764,007.10 × 8,169,301.80
  4. Step 4: Simplify right side
    13,842,671.40x = 169,627,440,577,242.78
  5. Step 5: Solve for x
    x = 169,627,440,577,242.78/13,842,671.40
  6. Step 6: Final answer
    x = 12,253,952.70

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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.