Home / 13,222,053.80-19,833,080.70-8,687,090.60

Finding the Fourth Proportional to 13,222,053.80, 19,833,080.70 and 8,687,090.60

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Solution

The fourth proportional to 13,222,053.80, 19,833,080.70 and 8,687,090.60 is: 13,030,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222,053.80 : 19,833,080.70 = 8,687,090.60 : x
  2. Step 2: Convert to fraction form
    13,222,053.80/19,833,080.70 = 8,687,090.60/x
  3. Step 3: Cross multiply
    13,222,053.80x = 19,833,080.70 × 8,687,090.60
  4. Step 4: Simplify right side
    13,222,053.80x = 172,291,768,918,011.41
  5. Step 5: Solve for x
    x = 172,291,768,918,011.41/13,222,053.80
  6. Step 6: Final answer
    x = 13,030,635.90

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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.