Home / 12,505,101.60-18,747,853.20-4,937,731.68

Finding the Fourth Proportional to 12,505,101.60, 18,747,853.20 and 4,937,731.68

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Solution

The fourth proportional to 12,505,101.60, 18,747,853.20 and 4,937,731.68 is: 7,402,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505,101.60 : 18,747,853.20 = 4,937,731.68 : x
  2. Step 2: Convert to fraction form
    12,505,101.60/18,747,853.20 = 4,937,731.68/x
  3. Step 3: Cross multiply
    12,505,101.60x = 18,747,853.20 × 4,937,731.68
  4. Step 4: Simplify right side
    12,505,101.60x = 92,571,868,677,629.36
  5. Step 5: Solve for x
    x = 92,571,868,677,629.36/12,505,101.60
  6. Step 6: Final answer
    x = 7,402,728.23

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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.