Home / 15,180,852.55-20,949,812.73-8,305,449.43

Finding the Fourth Proportional to 15,180,852.55, 20,949,812.73 and 8,305,449.43

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Solution

The fourth proportional to 15,180,852.55, 20,949,812.73 and 8,305,449.43 is: 11,461,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180,852.55 : 20,949,812.73 = 8,305,449.43 : x
  2. Step 2: Convert to fraction form
    15,180,852.55/20,949,812.73 = 8,305,449.43/x
  3. Step 3: Cross multiply
    15,180,852.55x = 20,949,812.73 × 8,305,449.43
  4. Step 4: Simplify right side
    15,180,852.55x = 173,997,610,196,985.25
  5. Step 5: Solve for x
    x = 173,997,610,196,985.25/15,180,852.55
  6. Step 6: Final answer
    x = 11,461,649.44

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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.