Home / 20,091,188.52-27,725,645.30-10,923,831.28

Finding the Fourth Proportional to 20,091,188.52, 27,725,645.30 and 10,923,831.28

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Solution

The fourth proportional to 20,091,188.52, 27,725,645.30 and 10,923,831.28 is: 15,074,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091,188.52 : 27,725,645.30 = 10,923,831.28 : x
  2. Step 2: Convert to fraction form
    20,091,188.52/27,725,645.30 = 10,923,831.28/x
  3. Step 3: Cross multiply
    20,091,188.52x = 27,725,645.30 × 10,923,831.28
  4. Step 4: Simplify right side
    20,091,188.52x = 302,870,271,386,325
  5. Step 5: Solve for x
    x = 302,870,271,386,325/20,091,188.52
  6. Step 6: Final answer
    x = 15,074,781.22

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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.