Home / 14,628,981.51-20,187,772.16-8,013,517.11

Finding the Fourth Proportional to 14,628,981.51, 20,187,772.16 and 8,013,517.11

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Solution

The fourth proportional to 14,628,981.51, 20,187,772.16 and 8,013,517.11 is: 11,058,531.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628,981.51 : 20,187,772.16 = 8,013,517.11 : x
  2. Step 2: Convert to fraction form
    14,628,981.51/20,187,772.16 = 8,013,517.11/x
  3. Step 3: Cross multiply
    14,628,981.51x = 20,187,772.16 × 8,013,517.11
  4. Step 4: Simplify right side
    14,628,981.51x = 161,775,057,576,874.09
  5. Step 5: Solve for x
    x = 161,775,057,576,874.09/14,628,981.51
  6. Step 6: Final answer
    x = 11,058,531.82

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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.