Home / 28,858,565.08-39,824,858.18-15,627,764.80

Finding the Fourth Proportional to 28,858,565.08, 39,824,858.18 and 15,627,764.80

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Solution

The fourth proportional to 28,858,565.08, 39,824,858.18 and 15,627,764.80 is: 21,566,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858,565.08 : 39,824,858.18 = 15,627,764.80 : x
  2. Step 2: Convert to fraction form
    28,858,565.08/39,824,858.18 = 15,627,764.80/x
  3. Step 3: Cross multiply
    28,858,565.08x = 39,824,858.18 × 15,627,764.80
  4. Step 4: Simplify right side
    28,858,565.08x = 622,373,516,830,396.12
  5. Step 5: Solve for x
    x = 622,373,516,830,396.12/28,858,565.08
  6. Step 6: Final answer
    x = 21,566,336.20

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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.