Home / 12,729,284.78-17,566,786.02-6,928,442.24

Finding the Fourth Proportional to 12,729,284.78, 17,566,786.02 and 6,928,442.24

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Solution

The fourth proportional to 12,729,284.78, 17,566,786.02 and 6,928,442.24 is: 9,561,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,284.78 : 17,566,786.02 = 6,928,442.24 : x
  2. Step 2: Convert to fraction form
    12,729,284.78/17,566,786.02 = 6,928,442.24/x
  3. Step 3: Cross multiply
    12,729,284.78x = 17,566,786.02 × 6,928,442.24
  4. Step 4: Simplify right side
    12,729,284.78x = 121,710,462,282,009.48
  5. Step 5: Solve for x
    x = 121,710,462,282,009.48/12,729,284.78
  6. Step 6: Final answer
    x = 9,561,453.32

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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.