Home / 12,096,342.20-18,181,838.10-11,872,393.40

Finding the Fourth Proportional to 12,096,342.20, 18,181,838.10 and 11,872,393.40

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Solution

The fourth proportional to 12,096,342.20, 18,181,838.10 and 11,872,393.40 is: 17,845,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,342.20 : 18,181,838.10 = 11,872,393.40 : x
  2. Step 2: Convert to fraction form
    12,096,342.20/18,181,838.10 = 11,872,393.40/x
  3. Step 3: Cross multiply
    12,096,342.20x = 18,181,838.10 × 11,872,393.40
  4. Step 4: Simplify right side
    12,096,342.20x = 215,861,934,658,308.56
  5. Step 5: Solve for x
    x = 215,861,934,658,308.56/12,096,342.20
  6. Step 6: Final answer
    x = 17,845,223.88

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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.