Home / 15,431,201.55-21,575,338.65-15,431,201.55

Finding the Fourth Proportional to 15,431,201.55, 21,575,338.65 and 15,431,201.55

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Solution

The fourth proportional to 15,431,201.55, 21,575,338.65 and 15,431,201.55 is: 21,575,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431,201.55 : 21,575,338.65 = 15,431,201.55 : x
  2. Step 2: Convert to fraction form
    15,431,201.55/21,575,338.65 = 15,431,201.55/x
  3. Step 3: Cross multiply
    15,431,201.55x = 21,575,338.65 × 15,431,201.55
  4. Step 4: Simplify right side
    15,431,201.55x = 332,933,399,217,654.88
  5. Step 5: Solve for x
    x = 332,933,399,217,654.88/15,431,201.55
  6. Step 6: Final answer
    x = 21,575,338.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.