Home / 9,981,916.35-13,775,086.08-5,398,237.74

Finding the Fourth Proportional to 9,981,916.35, 13,775,086.08 and 5,398,237.74

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Solution

The fourth proportional to 9,981,916.35, 13,775,086.08 and 5,398,237.74 is: 7,449,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,916.35 : 13,775,086.08 = 5,398,237.74 : x
  2. Step 2: Convert to fraction form
    9,981,916.35/13,775,086.08 = 5,398,237.74/x
  3. Step 3: Cross multiply
    9,981,916.35x = 13,775,086.08 × 5,398,237.74
  4. Step 4: Simplify right side
    9,981,916.35x = 74,361,189,548,804.66
  5. Step 5: Solve for x
    x = 74,361,189,548,804.66/9,981,916.35
  6. Step 6: Final answer
    x = 7,449,590.53

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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.