Home / 15,739,321.44-21,720,308.58-9,125,195.28

Finding the Fourth Proportional to 15,739,321.44, 21,720,308.58 and 9,125,195.28

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Solution

The fourth proportional to 15,739,321.44, 21,720,308.58 and 9,125,195.28 is: 12,592,795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,321.44 : 21,720,308.58 = 9,125,195.28 : x
  2. Step 2: Convert to fraction form
    15,739,321.44/21,720,308.58 = 9,125,195.28/x
  3. Step 3: Cross multiply
    15,739,321.44x = 21,720,308.58 × 9,125,195.28
  4. Step 4: Simplify right side
    15,739,321.44x = 198,202,057,334,359.47
  5. Step 5: Solve for x
    x = 198,202,057,334,359.47/15,739,321.44
  6. Step 6: Final answer
    x = 12,592,795.57

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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.