Home / 25,786,422.29-35,636,298.64-21,132,869.02

Finding the Fourth Proportional to 25,786,422.29, 35,636,298.64 and 21,132,869.02

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Solution

The fourth proportional to 25,786,422.29, 35,636,298.64 and 21,132,869.02 is: 29,205,184.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,786,422.29 : 35,636,298.64 = 21,132,869.02 : x
  2. Step 2: Convert to fraction form
    25,786,422.29/35,636,298.64 = 21,132,869.02/x
  3. Step 3: Cross multiply
    25,786,422.29x = 35,636,298.64 × 21,132,869.02
  4. Step 4: Simplify right side
    25,786,422.29x = 753,097,231,374,801.25
  5. Step 5: Solve for x
    x = 753,097,231,374,801.25/25,786,422.29
  6. Step 6: Final answer
    x = 29,205,184.92

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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.