Home / 21,426,470.42-32,131,480.89-9,122,632.79

Finding the Fourth Proportional to 21,426,470.42, 32,131,480.89 and 9,122,632.79

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Solution

The fourth proportional to 21,426,470.42, 32,131,480.89 and 9,122,632.79 is: 13,680,447.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426,470.42 : 32,131,480.89 = 9,122,632.79 : x
  2. Step 2: Convert to fraction form
    21,426,470.42/32,131,480.89 = 9,122,632.79/x
  3. Step 3: Cross multiply
    21,426,470.42x = 32,131,480.89 × 9,122,632.79
  4. Step 4: Simplify right side
    21,426,470.42x = 293,123,701,158,372.38
  5. Step 5: Solve for x
    x = 293,123,701,158,372.38/21,426,470.42
  6. Step 6: Final answer
    x = 13,680,447.38

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