Home / 12,046,909.78-18,063,573.83-3,957,713.46

Finding the Fourth Proportional to 12,046,909.78, 18,063,573.83 and 3,957,713.46

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Solution

The fourth proportional to 12,046,909.78, 18,063,573.83 and 3,957,713.46 is: 5,934,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046,909.78 : 18,063,573.83 = 3,957,713.46 : x
  2. Step 2: Convert to fraction form
    12,046,909.78/18,063,573.83 = 3,957,713.46/x
  3. Step 3: Cross multiply
    12,046,909.78x = 18,063,573.83 × 3,957,713.46
  4. Step 4: Simplify right side
    12,046,909.78x = 71,490,449,300,009.75
  5. Step 5: Solve for x
    x = 71,490,449,300,009.75/12,046,909.78
  6. Step 6: Final answer
    x = 5,934,339.23

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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.