Home / 25,982,222.90-38,981,991.56-8,712,131.11

Finding the Fourth Proportional to 25,982,222.90, 38,981,991.56 and 8,712,131.11

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Solution

The fourth proportional to 25,982,222.90, 38,981,991.56 and 8,712,131.11 is: 13,071,099.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,982,222.90 : 38,981,991.56 = 8,712,131.11 : x
  2. Step 2: Convert to fraction form
    25,982,222.90/38,981,991.56 = 8,712,131.11/x
  3. Step 3: Cross multiply
    25,982,222.90x = 38,981,991.56 × 8,712,131.11
  4. Step 4: Simplify right side
    25,982,222.90x = 339,616,221,258,617.81
  5. Step 5: Solve for x
    x = 339,616,221,258,617.81/25,982,222.90
  6. Step 6: Final answer
    x = 13,071,099.52

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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.