Home / 12,872,724.13-17,769,020.75-8,523,211.71

Finding the Fourth Proportional to 12,872,724.13, 17,769,020.75 and 8,523,211.71

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Solution

The fourth proportional to 12,872,724.13, 17,769,020.75 and 8,523,211.71 is: 11,765,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872,724.13 : 17,769,020.75 = 8,523,211.71 : x
  2. Step 2: Convert to fraction form
    12,872,724.13/17,769,020.75 = 8,523,211.71/x
  3. Step 3: Cross multiply
    12,872,724.13x = 17,769,020.75 × 8,523,211.71
  4. Step 4: Simplify right side
    12,872,724.13x = 151,449,125,731,633
  5. Step 5: Solve for x
    x = 151,449,125,731,633/12,872,724.13
  6. Step 6: Final answer
    x = 11,765,118.57

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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.