Home / 22,408,507.26-30,938,043.21-18,288,381.51

Finding the Fourth Proportional to 22,408,507.26, 30,938,043.21 and 18,288,381.51

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Solution

The fourth proportional to 22,408,507.26, 30,938,043.21 and 18,288,381.51 is: 25,249,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,408,507.26 : 30,938,043.21 = 18,288,381.51 : x
  2. Step 2: Convert to fraction form
    22,408,507.26/30,938,043.21 = 18,288,381.51/x
  3. Step 3: Cross multiply
    22,408,507.26x = 30,938,043.21 × 18,288,381.51
  4. Step 4: Simplify right side
    22,408,507.26x = 565,806,737,367,436.25
  5. Step 5: Solve for x
    x = 565,806,737,367,436.25/22,408,507.26
  6. Step 6: Final answer
    x = 25,249,639.83

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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.