Home / 18,720,301.60-28,080,452.40-4,536,877.60

Finding the Fourth Proportional to 18,720,301.60, 28,080,452.40 and 4,536,877.60

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Solution

The fourth proportional to 18,720,301.60, 28,080,452.40 and 4,536,877.60 is: 6,805,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720,301.60 : 28,080,452.40 = 4,536,877.60 : x
  2. Step 2: Convert to fraction form
    18,720,301.60/28,080,452.40 = 4,536,877.60/x
  3. Step 3: Cross multiply
    18,720,301.60x = 28,080,452.40 × 4,536,877.60
  4. Step 4: Simplify right side
    18,720,301.60x = 127,397,575,491,426.22
  5. Step 5: Solve for x
    x = 127,397,575,491,426.22/18,720,301.60
  6. Step 6: Final answer
    x = 6,805,316.40

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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.