Home / 13,554,884.51-18,705,215.97-7,359,789.43

Finding the Fourth Proportional to 13,554,884.51, 18,705,215.97 and 7,359,789.43

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Solution

The fourth proportional to 13,554,884.51, 18,705,215.97 and 7,359,789.43 is: 10,156,224.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,884.51 : 18,705,215.97 = 7,359,789.43 : x
  2. Step 2: Convert to fraction form
    13,554,884.51/18,705,215.97 = 7,359,789.43/x
  3. Step 3: Cross multiply
    13,554,884.51x = 18,705,215.97 × 7,359,789.43
  4. Step 4: Simplify right side
    13,554,884.51x = 137,666,450,735,110.16
  5. Step 5: Solve for x
    x = 137,666,450,735,110.16/13,554,884.51
  6. Step 6: Final answer
    x = 10,156,224.55

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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.