Home / 13,760,108.88-18,988,471.89-8,865,537.36

Finding the Fourth Proportional to 13,760,108.88, 18,988,471.89 and 8,865,537.36

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Solution

The fourth proportional to 13,760,108.88, 18,988,471.89 and 8,865,537.36 is: 12,234,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760,108.88 : 18,988,471.89 = 8,865,537.36 : x
  2. Step 2: Convert to fraction form
    13,760,108.88/18,988,471.89 = 8,865,537.36/x
  3. Step 3: Cross multiply
    13,760,108.88x = 18,988,471.89 × 8,865,537.36
  4. Step 4: Simplify right side
    13,760,108.88x = 168,343,006,950,104.81
  5. Step 5: Solve for x
    x = 168,343,006,950,104.81/13,760,108.88
  6. Step 6: Final answer
    x = 12,234,133.35

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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.