Home / 12,578,223.26-17,360,990.08-11,727,217.82

Finding the Fourth Proportional to 12,578,223.26, 17,360,990.08 and 11,727,217.82

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Solution

The fourth proportional to 12,578,223.26, 17,360,990.08 and 11,727,217.82 is: 16,186,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,578,223.26 : 17,360,990.08 = 11,727,217.82 : x
  2. Step 2: Convert to fraction form
    12,578,223.26/17,360,990.08 = 11,727,217.82/x
  3. Step 3: Cross multiply
    12,578,223.26x = 17,360,990.08 × 11,727,217.82
  4. Step 4: Simplify right side
    12,578,223.26x = 203,596,112,239,019.22
  5. Step 5: Solve for x
    x = 203,596,112,239,019.22/12,578,223.26
  6. Step 6: Final answer
    x = 16,186,396.76

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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.