Home / 13,554,663.82-18,705,761.09-7,359,971.61

Finding the Fourth Proportional to 13,554,663.82, 18,705,761.09 and 7,359,971.61

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Solution

The fourth proportional to 13,554,663.82, 18,705,761.09 and 7,359,971.61 is: 10,156,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,663.82 : 18,705,761.09 = 7,359,971.61 : x
  2. Step 2: Convert to fraction form
    13,554,663.82/18,705,761.09 = 7,359,971.61/x
  3. Step 3: Cross multiply
    13,554,663.82x = 18,705,761.09 × 7,359,971.61
  4. Step 4: Simplify right side
    13,554,663.82x = 137,673,870,565,842.66
  5. Step 5: Solve for x
    x = 137,673,870,565,842.66/13,554,663.82
  6. Step 6: Final answer
    x = 10,156,937.30

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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.