Home / 28,825,764.24-39,780,447-15,773,573.28

Finding the Fourth Proportional to 28,825,764.24, 39,780,447 and 15,773,573.28

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Solution

The fourth proportional to 28,825,764.24, 39,780,447 and 15,773,573.28 is: 21,768,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825,764.24 : 39,780,447 = 15,773,573.28 : x
  2. Step 2: Convert to fraction form
    28,825,764.24/39,780,447 = 15,773,573.28/x
  3. Step 3: Cross multiply
    28,825,764.24x = 39,780,447 × 15,773,573.28
  4. Step 4: Simplify right side
    28,825,764.24x = 627,479,795,865,656.12
  5. Step 5: Solve for x
    x = 627,479,795,865,656.12/28,825,764.24
  6. Step 6: Final answer
    x = 21,768,019.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.