Home / 13,554,881.74-18,705,758.94-7,359,940.43

Finding the Fourth Proportional to 13,554,881.74, 18,705,758.94 and 7,359,940.43

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Solution

The fourth proportional to 13,554,881.74, 18,705,758.94 and 7,359,940.43 is: 10,156,729.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,881.74 : 18,705,758.94 = 7,359,940.43 : x
  2. Step 2: Convert to fraction form
    13,554,881.74/18,705,758.94 = 7,359,940.43/x
  3. Step 3: Cross multiply
    13,554,881.74x = 18,705,758.94 × 7,359,940.43
  4. Step 4: Simplify right side
    13,554,881.74x = 137,673,271,598,873.80
  5. Step 5: Solve for x
    x = 137,673,271,598,873.80/13,554,881.74
  6. Step 6: Final answer
    x = 10,156,729.82

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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.