Home / 12,189,965.27-16,822,315.80-6,683,326.79

Finding the Fourth Proportional to 12,189,965.27, 16,822,315.80 and 6,683,326.79

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Solution

The fourth proportional to 12,189,965.27, 16,822,315.80 and 6,683,326.79 is: 9,223,080.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,189,965.27 : 16,822,315.80 = 6,683,326.79 : x
  2. Step 2: Convert to fraction form
    12,189,965.27/16,822,315.80 = 6,683,326.79/x
  3. Step 3: Cross multiply
    12,189,965.27x = 16,822,315.80 × 6,683,326.79
  4. Step 4: Simplify right side
    12,189,965.27x = 112,429,033,771,868.70
  5. Step 5: Solve for x
    x = 112,429,033,771,868.70/12,189,965.27
  6. Step 6: Final answer
    x = 9,223,080.73

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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.