Home / 21,186,264.30-31,789,170.06-9,675,260.29

Finding the Fourth Proportional to 21,186,264.30, 31,789,170.06 and 9,675,260.29

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Solution

The fourth proportional to 21,186,264.30, 31,789,170.06 and 9,675,260.29 is: 14,517,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,264.30 : 31,789,170.06 = 9,675,260.29 : x
  2. Step 2: Convert to fraction form
    21,186,264.30/31,789,170.06 = 9,675,260.29/x
  3. Step 3: Cross multiply
    21,186,264.30x = 31,789,170.06 × 9,675,260.29
  4. Step 4: Simplify right side
    21,186,264.30x = 307,568,494,733,574.88
  5. Step 5: Solve for x
    x = 307,568,494,733,574.88/21,186,264.30
  6. Step 6: Final answer
    x = 14,517,353.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.