Home / 13,016,887.06-17,963,450.28-7,435,872.70

Finding the Fourth Proportional to 13,016,887.06, 17,963,450.28 and 7,435,872.70

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Solution

The fourth proportional to 13,016,887.06, 17,963,450.28 and 7,435,872.70 is: 10,261,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016,887.06 : 17,963,450.28 = 7,435,872.70 : x
  2. Step 2: Convert to fraction form
    13,016,887.06/17,963,450.28 = 7,435,872.70/x
  3. Step 3: Cross multiply
    13,016,887.06x = 17,963,450.28 × 7,435,872.70
  4. Step 4: Simplify right side
    13,016,887.06x = 133,573,929,534,859.38
  5. Step 5: Solve for x
    x = 133,573,929,534,859.38/13,016,887.06
  6. Step 6: Final answer
    x = 10,261,587.81

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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.