Home / 15,132,903.17-20,883,910.46-8,257,762.49

Finding the Fourth Proportional to 15,132,903.17, 20,883,910.46 and 8,257,762.49

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Solution

The fourth proportional to 15,132,903.17, 20,883,910.46 and 8,257,762.49 is: 11,395,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132,903.17 : 20,883,910.46 = 8,257,762.49 : x
  2. Step 2: Convert to fraction form
    15,132,903.17/20,883,910.46 = 8,257,762.49/x
  3. Step 3: Cross multiply
    15,132,903.17x = 20,883,910.46 × 8,257,762.49
  4. Step 4: Simplify right side
    15,132,903.17x = 172,454,372,295,398.28
  5. Step 5: Solve for x
    x = 172,454,372,295,398.28/15,132,903.17
  6. Step 6: Final answer
    x = 11,395,987.30

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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.