Home / 18,696,005.28-28,044,007.92-4,512,581.28

Finding the Fourth Proportional to 18,696,005.28, 28,044,007.92 and 4,512,581.28

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Solution

The fourth proportional to 18,696,005.28, 28,044,007.92 and 4,512,581.28 is: 6,768,871.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,005.28 : 28,044,007.92 = 4,512,581.28 : x
  2. Step 2: Convert to fraction form
    18,696,005.28/28,044,007.92 = 4,512,581.28/x
  3. Step 3: Cross multiply
    18,696,005.28x = 28,044,007.92 × 4,512,581.28
  4. Step 4: Simplify right side
    18,696,005.28x = 126,550,865,155,963.75
  5. Step 5: Solve for x
    x = 126,550,865,155,963.75/18,696,005.28
  6. Step 6: Final answer
    x = 6,768,871.92

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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.