Home / 11,472,015.80-17,208,023.70-8,038,134.20

Finding the Fourth Proportional to 11,472,015.80, 17,208,023.70 and 8,038,134.20

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Solution

The fourth proportional to 11,472,015.80, 17,208,023.70 and 8,038,134.20 is: 12,057,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472,015.80 : 17,208,023.70 = 8,038,134.20 : x
  2. Step 2: Convert to fraction form
    11,472,015.80/17,208,023.70 = 8,038,134.20/x
  3. Step 3: Cross multiply
    11,472,015.80x = 17,208,023.70 × 8,038,134.20
  4. Step 4: Simplify right side
    11,472,015.80x = 138,320,403,817,380.53
  5. Step 5: Solve for x
    x = 138,320,403,817,380.53/11,472,015.80
  6. Step 6: Final answer
    x = 12,057,201.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.