Home / 20,251,831.24-30,365,444.94-7,941,045.10

Finding the Fourth Proportional to 20,251,831.24, 30,365,444.94 and 7,941,045.10

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Solution

The fourth proportional to 20,251,831.24, 30,365,444.94 and 7,941,045.10 is: 11,906,743.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251,831.24 : 30,365,444.94 = 7,941,045.10 : x
  2. Step 2: Convert to fraction form
    20,251,831.24/30,365,444.94 = 7,941,045.10/x
  3. Step 3: Cross multiply
    20,251,831.24x = 30,365,444.94 × 7,941,045.10
  4. Step 4: Simplify right side
    20,251,831.24x = 241,133,367,750,106.78
  5. Step 5: Solve for x
    x = 241,133,367,750,106.78/20,251,831.24
  6. Step 6: Final answer
    x = 11,906,743.88

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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.