Home / 13,609,338.60-20,414,007.90-10,208,116.20

Finding the Fourth Proportional to 13,609,338.60, 20,414,007.90 and 10,208,116.20

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Solution

The fourth proportional to 13,609,338.60, 20,414,007.90 and 10,208,116.20 is: 15,312,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,338.60 : 20,414,007.90 = 10,208,116.20 : x
  2. Step 2: Convert to fraction form
    13,609,338.60/20,414,007.90 = 10,208,116.20/x
  3. Step 3: Cross multiply
    13,609,338.60x = 20,414,007.90 × 10,208,116.20
  4. Step 4: Simplify right side
    13,609,338.60x = 208,388,564,750,917.94
  5. Step 5: Solve for x
    x = 208,388,564,750,917.94/13,609,338.60
  6. Step 6: Final answer
    x = 15,312,174.30

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Similar ratio
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1.5x scale

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.