Home / 15,538,283.08-21,456,370.20-9,747,019.60

Finding the Fourth Proportional to 15,538,283.08, 21,456,370.20 and 9,747,019.60

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Solution

The fourth proportional to 15,538,283.08, 21,456,370.20 and 9,747,019.60 is: 13,459,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,538,283.08 : 21,456,370.20 = 9,747,019.60 : x
  2. Step 2: Convert to fraction form
    15,538,283.08/21,456,370.20 = 9,747,019.60/x
  3. Step 3: Cross multiply
    15,538,283.08x = 21,456,370.20 × 9,747,019.60
  4. Step 4: Simplify right side
    15,538,283.08x = 209,135,660,884,255.91
  5. Step 5: Solve for x
    x = 209,135,660,884,255.91/15,538,283.08
  6. Step 6: Final answer
    x = 13,459,380.28

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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.