Home / 12,842,010.60-19,149,831.57-12,726,891.24

Finding the Fourth Proportional to 12,842,010.60, 19,149,831.57 and 12,726,891.24

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Solution

The fourth proportional to 12,842,010.60, 19,149,831.57 and 12,726,891.24 is: 18,978,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842,010.60 : 19,149,831.57 = 12,726,891.24 : x
  2. Step 2: Convert to fraction form
    12,842,010.60/19,149,831.57 = 12,726,891.24/x
  3. Step 3: Cross multiply
    12,842,010.60x = 19,149,831.57 × 12,726,891.24
  4. Step 4: Simplify right side
    12,842,010.60x = 243,717,823,655,708.47
  5. Step 5: Solve for x
    x = 243,717,823,655,708.47/12,842,010.60
  6. Step 6: Final answer
    x = 18,978,167.15

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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.