Home / 20,615,753.59-28,454,694.54-11,800,315.70

Finding the Fourth Proportional to 20,615,753.59, 28,454,694.54 and 11,800,315.70

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Solution

The fourth proportional to 20,615,753.59, 28,454,694.54 and 11,800,315.70 is: 16,287,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615,753.59 : 28,454,694.54 = 11,800,315.70 : x
  2. Step 2: Convert to fraction form
    20,615,753.59/28,454,694.54 = 11,800,315.70/x
  3. Step 3: Cross multiply
    20,615,753.59x = 28,454,694.54 × 11,800,315.70
  4. Step 4: Simplify right side
    20,615,753.59x = 335,774,378,588,927.94
  5. Step 5: Solve for x
    x = 335,774,378,588,927.94/20,615,753.59
  6. Step 6: Final answer
    x = 16,287,271.63

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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.