Home / 12,784,758.03-17,642,965.37-6,904,391.72

Finding the Fourth Proportional to 12,784,758.03, 17,642,965.37 and 6,904,391.72

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Solution

The fourth proportional to 12,784,758.03, 17,642,965.37 and 6,904,391.72 is: 9,528,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,784,758.03 : 17,642,965.37 = 6,904,391.72 : x
  2. Step 2: Convert to fraction form
    12,784,758.03/17,642,965.37 = 6,904,391.72/x
  3. Step 3: Cross multiply
    12,784,758.03x = 17,642,965.37 × 6,904,391.72
  4. Step 4: Simplify right side
    12,784,758.03x = 121,813,943,894,137.94
  5. Step 5: Solve for x
    x = 121,813,943,894,137.94/12,784,758.03
  6. Step 6: Final answer
    x = 9,528,060.18

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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.