Home / 38,839,690.50-58,181,476.22-19,350,162.18

Finding the Fourth Proportional to 38,839,690.50, 58,181,476.22 and 19,350,162.18

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Solution

The fourth proportional to 38,839,690.50, 58,181,476.22 and 19,350,162.18 is: 28,986,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839,690.50 : 58,181,476.22 = 19,350,162.18 : x
  2. Step 2: Convert to fraction form
    38,839,690.50/58,181,476.22 = 19,350,162.18/x
  3. Step 3: Cross multiply
    38,839,690.50x = 58,181,476.22 × 19,350,162.18
  4. Step 4: Simplify right side
    38,839,690.50x = 1,125,821,000,728,813.38
  5. Step 5: Solve for x
    x = 1,125,821,000,728,813.38/38,839,690.50
  6. Step 6: Final answer
    x = 28,986,353.55

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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.