Home / 25,496,851.80-38,245,277.70-20,458,003.80

Finding the Fourth Proportional to 25,496,851.80, 38,245,277.70 and 20,458,003.80

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Solution

The fourth proportional to 25,496,851.80, 38,245,277.70 and 20,458,003.80 is: 30,687,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,496,851.80 : 38,245,277.70 = 20,458,003.80 : x
  2. Step 2: Convert to fraction form
    25,496,851.80/38,245,277.70 = 20,458,003.80/x
  3. Step 3: Cross multiply
    25,496,851.80x = 38,245,277.70 × 20,458,003.80
  4. Step 4: Simplify right side
    25,496,851.80x = 782,422,036,518,655.38
  5. Step 5: Solve for x
    x = 782,422,036,518,655.38/25,496,851.80
  6. Step 6: Final answer
    x = 30,687,005.70

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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.