Home / 13,819,520.64-20,587,449.60-13,197,737.60

Finding the Fourth Proportional to 13,819,520.64, 20,587,449.60 and 13,197,737.60

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Solution

The fourth proportional to 13,819,520.64, 20,587,449.60 and 13,197,737.60 is: 19,661,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819,520.64 : 20,587,449.60 = 13,197,737.60 : x
  2. Step 2: Convert to fraction form
    13,819,520.64/20,587,449.60 = 13,197,737.60/x
  3. Step 3: Cross multiply
    13,819,520.64x = 20,587,449.60 × 13,197,737.60
  4. Step 4: Simplify right side
    13,819,520.64x = 271,707,757,674,024.97
  5. Step 5: Solve for x
    x = 271,707,757,674,024.97/13,819,520.64
  6. Step 6: Final answer
    x = 19,661,156.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.