Home / 12,729,200.64-19,063,409.21-7,326,494.70

Finding the Fourth Proportional to 12,729,200.64, 19,063,409.21 and 7,326,494.70

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Solution

The fourth proportional to 12,729,200.64, 19,063,409.21 and 7,326,494.70 is: 10,972,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,200.64 : 19,063,409.21 = 7,326,494.70 : x
  2. Step 2: Convert to fraction form
    12,729,200.64/19,063,409.21 = 7,326,494.70/x
  3. Step 3: Cross multiply
    12,729,200.64x = 19,063,409.21 × 7,326,494.70
  4. Step 4: Simplify right side
    12,729,200.64x = 139,667,966,540,996.20
  5. Step 5: Solve for x
    x = 139,667,966,540,996.20/12,729,200.64
  6. Step 6: Final answer
    x = 10,972,249.59

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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.