Home / 25,786,416.51-35,636,290.67-21,132,863.23

Finding the Fourth Proportional to 25,786,416.51, 35,636,290.67 and 21,132,863.23

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Solution

The fourth proportional to 25,786,416.51, 35,636,290.67 and 21,132,863.23 is: 29,205,176.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,786,416.51 : 35,636,290.67 = 21,132,863.23 : x
  2. Step 2: Convert to fraction form
    25,786,416.51/35,636,290.67 = 21,132,863.23/x
  3. Step 3: Cross multiply
    25,786,416.51x = 35,636,290.67 × 21,132,863.23
  4. Step 4: Simplify right side
    25,786,416.51x = 753,096,856,753,635.12
  5. Step 5: Solve for x
    x = 753,096,856,753,635.12/25,786,416.51
  6. Step 6: Final answer
    x = 29,205,176.94

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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.