Home / 28,985,559.20-43,478,338.80-8,791,805.60

Finding the Fourth Proportional to 28,985,559.20, 43,478,338.80 and 8,791,805.60

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Solution

The fourth proportional to 28,985,559.20, 43,478,338.80 and 8,791,805.60 is: 13,187,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,985,559.20 : 43,478,338.80 = 8,791,805.60 : x
  2. Step 2: Convert to fraction form
    28,985,559.20/43,478,338.80 = 8,791,805.60/x
  3. Step 3: Cross multiply
    28,985,559.20x = 43,478,338.80 × 8,791,805.60
  4. Step 4: Simplify right side
    28,985,559.20x = 382,253,102,540,537.25
  5. Step 5: Solve for x
    x = 382,253,102,540,537.25/28,985,559.20
  6. Step 6: Final answer
    x = 13,187,708.40

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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.