Home / 12,729,368.48-17,566,900.97-6,928,525.94

Finding the Fourth Proportional to 12,729,368.48, 17,566,900.97 and 6,928,525.94

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Solution

The fourth proportional to 12,729,368.48, 17,566,900.97 and 6,928,525.94 is: 9,561,568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,368.48 : 17,566,900.97 = 6,928,525.94 : x
  2. Step 2: Convert to fraction form
    12,729,368.48/17,566,900.97 = 6,928,525.94/x
  3. Step 3: Cross multiply
    12,729,368.48x = 17,566,900.97 × 6,928,525.94
  4. Step 4: Simplify right side
    12,729,368.48x = 121,712,728,933,579.02
  5. Step 5: Solve for x
    x = 121,712,728,933,579.02/12,729,368.48
  6. Step 6: Final answer
    x = 9,561,568.52

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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.