Home / 28,080,795.40-42,121,193.10-13,713,080.20

Finding the Fourth Proportional to 28,080,795.40, 42,121,193.10 and 13,713,080.20

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Solution

The fourth proportional to 28,080,795.40, 42,121,193.10 and 13,713,080.20 is: 20,569,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,795.40 : 42,121,193.10 = 13,713,080.20 : x
  2. Step 2: Convert to fraction form
    28,080,795.40/42,121,193.10 = 13,713,080.20/x
  3. Step 3: Cross multiply
    28,080,795.40x = 42,121,193.10 × 13,713,080.20
  4. Step 4: Simplify right side
    28,080,795.40x = 577,611,299,099,986.62
  5. Step 5: Solve for x
    x = 577,611,299,099,986.62/28,080,795.40
  6. Step 6: Final answer
    x = 20,569,620.30

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Similar ratio
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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.