Home / 8,999,250.66-12,418,957.86-5,079,831.78

Finding the Fourth Proportional to 8,999,250.66, 12,418,957.86 and 5,079,831.78

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Solution

The fourth proportional to 8,999,250.66, 12,418,957.86 and 5,079,831.78 is: 7,010,163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999,250.66 : 12,418,957.86 = 5,079,831.78 : x
  2. Step 2: Convert to fraction form
    8,999,250.66/12,418,957.86 = 5,079,831.78/x
  3. Step 3: Cross multiply
    8,999,250.66x = 12,418,957.86 × 5,079,831.78
  4. Step 4: Simplify right side
    8,999,250.66x = 63,086,216,811,708.79
  5. Step 5: Solve for x
    x = 63,086,216,811,708.79/8,999,250.66
  6. Step 6: Final answer
    x = 7,010,163.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.