Home / 20,100,851.30-30,225,926.55-16,816,268.90

Finding the Fourth Proportional to 20,100,851.30, 30,225,926.55 and 16,816,268.90

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Solution

The fourth proportional to 20,100,851.30, 30,225,926.55 and 16,816,268.90 is: 25,286,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100,851.30 : 30,225,926.55 = 16,816,268.90 : x
  2. Step 2: Convert to fraction form
    20,100,851.30/30,225,926.55 = 16,816,268.90/x
  3. Step 3: Cross multiply
    20,100,851.30x = 30,225,926.55 × 16,816,268.90
  4. Step 4: Simplify right side
    20,100,851.30x = 508,287,308,616,449.25
  5. Step 5: Solve for x
    x = 508,287,308,616,449.25/20,100,851.30
  6. Step 6: Final answer
    x = 25,286,854.82

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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.