Home / 18,931,713.73-28,397,571-4,554,781.54

Finding the Fourth Proportional to 18,931,713.73, 28,397,571 and 4,554,781.54

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Solution

The fourth proportional to 18,931,713.73, 28,397,571 and 4,554,781.54 is: 6,832,172.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931,713.73 : 28,397,571 = 4,554,781.54 : x
  2. Step 2: Convert to fraction form
    18,931,713.73/28,397,571 = 4,554,781.54/x
  3. Step 3: Cross multiply
    18,931,713.73x = 28,397,571 × 4,554,781.54
  4. Step 4: Simplify right side
    18,931,713.73x = 129,344,732,171,639.34
  5. Step 5: Solve for x
    x = 129,344,732,171,639.34/18,931,713.73
  6. Step 6: Final answer
    x = 6,832,172.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.