Home / 18,208,062.24-25,126,831.82-9,947,946.72

Finding the Fourth Proportional to 18,208,062.24, 25,126,831.82 and 9,947,946.72

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Solution

The fourth proportional to 18,208,062.24, 25,126,831.82 and 9,947,946.72 is: 13,728,005.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,062.24 : 25,126,831.82 = 9,947,946.72 : x
  2. Step 2: Convert to fraction form
    18,208,062.24/25,126,831.82 = 9,947,946.72/x
  3. Step 3: Cross multiply
    18,208,062.24x = 25,126,831.82 × 9,947,946.72
  4. Step 4: Simplify right side
    18,208,062.24x = 249,960,384,250,898.94
  5. Step 5: Solve for x
    x = 249,960,384,250,898.94/18,208,062.24
  6. Step 6: Final answer
    x = 13,728,005.81

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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.