Home / 15,635,309.44-21,567,782.88-9,108,251.20

Finding the Fourth Proportional to 15,635,309.44, 21,567,782.88 and 9,108,251.20

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Solution

The fourth proportional to 15,635,309.44, 21,567,782.88 and 9,108,251.20 is: 12,564,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635,309.44 : 21,567,782.88 = 9,108,251.20 : x
  2. Step 2: Convert to fraction form
    15,635,309.44/21,567,782.88 = 9,108,251.20/x
  3. Step 3: Cross multiply
    15,635,309.44x = 21,567,782.88 × 9,108,251.20
  4. Step 4: Simplify right side
    15,635,309.44x = 196,444,784,298,099.44
  5. Step 5: Solve for x
    x = 196,444,784,298,099.44/15,635,309.44
  6. Step 6: Final answer
    x = 12,564,176.30

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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.