Home / 28,086,053.60-42,129,080.40-17,268,276.80

Finding the Fourth Proportional to 28,086,053.60, 42,129,080.40 and 17,268,276.80

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Solution

The fourth proportional to 28,086,053.60, 42,129,080.40 and 17,268,276.80 is: 25,902,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086,053.60 : 42,129,080.40 = 17,268,276.80 : x
  2. Step 2: Convert to fraction form
    28,086,053.60/42,129,080.40 = 17,268,276.80/x
  3. Step 3: Cross multiply
    28,086,053.60x = 42,129,080.40 × 17,268,276.80
  4. Step 4: Simplify right side
    28,086,053.60x = 727,496,621,676,654.75
  5. Step 5: Solve for x
    x = 727,496,621,676,654.75/28,086,053.60
  6. Step 6: Final answer
    x = 25,902,415.20

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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.