Home / 13,824,057.10-20,736,085.65-11,808,517.90

Finding the Fourth Proportional to 13,824,057.10, 20,736,085.65 and 11,808,517.90

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Solution

The fourth proportional to 13,824,057.10, 20,736,085.65 and 11,808,517.90 is: 17,712,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,057.10 : 20,736,085.65 = 11,808,517.90 : x
  2. Step 2: Convert to fraction form
    13,824,057.10/20,736,085.65 = 11,808,517.90/x
  3. Step 3: Cross multiply
    13,824,057.10x = 20,736,085.65 × 11,808,517.90
  4. Step 4: Simplify right side
    13,824,057.10x = 244,862,438,573,958.12
  5. Step 5: Solve for x
    x = 244,862,438,573,958.12/13,824,057.10
  6. Step 6: Final answer
    x = 17,712,776.85

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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.