Home / 18,982,650.28-28,484,341.28-8,051,139.57

Finding the Fourth Proportional to 18,982,650.28, 28,484,341.28 and 8,051,139.57

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Solution

The fourth proportional to 18,982,650.28, 28,484,341.28 and 8,051,139.57 is: 12,081,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982,650.28 : 28,484,341.28 = 8,051,139.57 : x
  2. Step 2: Convert to fraction form
    18,982,650.28/28,484,341.28 = 8,051,139.57/x
  3. Step 3: Cross multiply
    18,982,650.28x = 28,484,341.28 × 8,051,139.57
  4. Step 4: Simplify right side
    18,982,650.28x = 229,331,407,204,792.47
  5. Step 5: Solve for x
    x = 229,331,407,204,792.47/18,982,650.28
  6. Step 6: Final answer
    x = 12,081,105.84

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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.