Home / 10,501,331.20-15,751,996.80-10,053,433.60

Finding the Fourth Proportional to 10,501,331.20, 15,751,996.80 and 10,053,433.60

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Solution

The fourth proportional to 10,501,331.20, 15,751,996.80 and 10,053,433.60 is: 15,080,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501,331.20 : 15,751,996.80 = 10,053,433.60 : x
  2. Step 2: Convert to fraction form
    10,501,331.20/15,751,996.80 = 10,053,433.60/x
  3. Step 3: Cross multiply
    10,501,331.20x = 15,751,996.80 × 10,053,433.60
  4. Step 4: Simplify right side
    10,501,331.20x = 158,361,653,896,212.47
  5. Step 5: Solve for x
    x = 158,361,653,896,212.47/10,501,331.20
  6. Step 6: Final answer
    x = 15,080,150.40

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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.