Home / 10,521,335.70-15,782,003.55-10,206,407.70

Finding the Fourth Proportional to 10,521,335.70, 15,782,003.55 and 10,206,407.70

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Solution

The fourth proportional to 10,521,335.70, 15,782,003.55 and 10,206,407.70 is: 15,309,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521,335.70 : 15,782,003.55 = 10,206,407.70 : x
  2. Step 2: Convert to fraction form
    10,521,335.70/15,782,003.55 = 10,206,407.70/x
  3. Step 3: Cross multiply
    10,521,335.70x = 15,782,003.55 × 10,206,407.70
  4. Step 4: Simplify right side
    10,521,335.70x = 161,077,562,554,147.34
  5. Step 5: Solve for x
    x = 161,077,562,554,147.34/10,521,335.70
  6. Step 6: Final answer
    x = 15,309,611.55

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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.