Home / 13,105,036.40-18,085,039.97-7,304,191.83

Finding the Fourth Proportional to 13,105,036.40, 18,085,039.97 and 7,304,191.83

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Solution

The fourth proportional to 13,105,036.40, 18,085,039.97 and 7,304,191.83 is: 10,079,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,036.40 : 18,085,039.97 = 7,304,191.83 : x
  2. Step 2: Convert to fraction form
    13,105,036.40/18,085,039.97 = 7,304,191.83/x
  3. Step 3: Cross multiply
    13,105,036.40x = 18,085,039.97 × 7,304,191.83
  4. Step 4: Simplify right side
    13,105,036.40x = 132,096,601,157,576.48
  5. Step 5: Solve for x
    x = 132,096,601,157,576.48/13,105,036.40
  6. Step 6: Final answer
    x = 10,079,834.74

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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.