Home / 20,392,246.09-28,142,042.03-11,099,366.92

Finding the Fourth Proportional to 20,392,246.09, 28,142,042.03 and 11,099,366.92

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Solution

The fourth proportional to 20,392,246.09, 28,142,042.03 and 11,099,366.92 is: 15,317,530.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392,246.09 : 28,142,042.03 = 11,099,366.92 : x
  2. Step 2: Convert to fraction form
    20,392,246.09/28,142,042.03 = 11,099,366.92/x
  3. Step 3: Cross multiply
    20,392,246.09x = 28,142,042.03 × 11,099,366.92
  4. Step 4: Simplify right side
    20,392,246.09x = 312,358,850,281,780.88
  5. Step 5: Solve for x
    x = 312,358,850,281,780.88/20,392,246.09
  6. Step 6: Final answer
    x = 15,317,530.44

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1.5x scale

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.