Home / 12,101,868.38-16,700,578.02-6,669,360.38

Finding the Fourth Proportional to 12,101,868.38, 16,700,578.02 and 6,669,360.38

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Solution

The fourth proportional to 12,101,868.38, 16,700,578.02 and 6,669,360.38 is: 9,203,717.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,868.38 : 16,700,578.02 = 6,669,360.38 : x
  2. Step 2: Convert to fraction form
    12,101,868.38/16,700,578.02 = 6,669,360.38/x
  3. Step 3: Cross multiply
    12,101,868.38x = 16,700,578.02 × 6,669,360.38
  4. Step 4: Simplify right side
    12,101,868.38x = 111,382,173,369,686.84
  5. Step 5: Solve for x
    x = 111,382,173,369,686.84/12,101,868.38
  6. Step 6: Final answer
    x = 9,203,717.13

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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.