Home / 12,440,637.60-18,659,629.80-4,353,767.70

Finding the Fourth Proportional to 12,440,637.60, 18,659,629.80 and 4,353,767.70

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Solution

The fourth proportional to 12,440,637.60, 18,659,629.80 and 4,353,767.70 is: 6,530,187.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440,637.60 : 18,659,629.80 = 4,353,767.70 : x
  2. Step 2: Convert to fraction form
    12,440,637.60/18,659,629.80 = 4,353,767.70/x
  3. Step 3: Cross multiply
    12,440,637.60x = 18,659,629.80 × 4,353,767.70
  4. Step 4: Simplify right side
    12,440,637.60x = 81,239,693,517,197.47
  5. Step 5: Solve for x
    x = 81,239,693,517,197.47/12,440,637.60
  6. Step 6: Final answer
    x = 6,530,187.29

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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.