Home / 15,027,649.25-20,738,195.87-8,152,131.31

Finding the Fourth Proportional to 15,027,649.25, 20,738,195.87 and 8,152,131.31

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Solution

The fourth proportional to 15,027,649.25, 20,738,195.87 and 8,152,131.31 is: 11,249,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027,649.25 : 20,738,195.87 = 8,152,131.31 : x
  2. Step 2: Convert to fraction form
    15,027,649.25/20,738,195.87 = 8,152,131.31/x
  3. Step 3: Cross multiply
    15,027,649.25x = 20,738,195.87 × 8,152,131.31
  4. Step 4: Simplify right side
    15,027,649.25x = 169,060,495,772,133.53
  5. Step 5: Solve for x
    x = 169,060,495,772,133.53/15,027,649.25
  6. Step 6: Final answer
    x = 11,249,962.85

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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.