Home / 10,400,540.80-15,582,148.80-8,907,548.80

Finding the Fourth Proportional to 10,400,540.80, 15,582,148.80 and 8,907,548.80

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Solution

The fourth proportional to 10,400,540.80, 15,582,148.80 and 8,907,548.80 is: 13,345,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400,540.80 : 15,582,148.80 = 8,907,548.80 : x
  2. Step 2: Convert to fraction form
    10,400,540.80/15,582,148.80 = 8,907,548.80/x
  3. Step 3: Cross multiply
    10,400,540.80x = 15,582,148.80 × 8,907,548.80
  4. Step 4: Simplify right side
    10,400,540.80x = 138,798,750,844,861.45
  5. Step 5: Solve for x
    x = 138,798,750,844,861.45/10,400,540.80
  6. Step 6: Final answer
    x = 13,345,339.78

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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.