Home / 18,720,203.25-28,080,304.88-4,536,779.25

Finding the Fourth Proportional to 18,720,203.25, 28,080,304.88 and 4,536,779.25

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Solution

The fourth proportional to 18,720,203.25, 28,080,304.88 and 4,536,779.25 is: 6,805,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720,203.25 : 28,080,304.88 = 4,536,779.25 : x
  2. Step 2: Convert to fraction form
    18,720,203.25/28,080,304.88 = 4,536,779.25/x
  3. Step 3: Cross multiply
    18,720,203.25x = 28,080,304.88 × 4,536,779.25
  4. Step 4: Simplify right side
    18,720,203.25x = 127,394,144,490,573.84
  5. Step 5: Solve for x
    x = 127,394,144,490,573.84/18,720,203.25
  6. Step 6: Final answer
    x = 6,805,168.88

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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.