Home / 12,729,283.78-17,566,784.64-6,928,441.24

Finding the Fourth Proportional to 12,729,283.78, 17,566,784.64 and 6,928,441.24

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Solution

The fourth proportional to 12,729,283.78, 17,566,784.64 and 6,928,441.24 is: 9,561,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,283.78 : 17,566,784.64 = 6,928,441.24 : x
  2. Step 2: Convert to fraction form
    12,729,283.78/17,566,784.64 = 6,928,441.24/x
  3. Step 3: Cross multiply
    12,729,283.78x = 17,566,784.64 × 6,928,441.24
  4. Step 4: Simplify right side
    12,729,283.78x = 121,710,435,153,974.56
  5. Step 5: Solve for x
    x = 121,710,435,153,974.56/12,729,283.78
  6. Step 6: Final answer
    x = 9,561,451.94

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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.