Home / 22,248,537.40-33,372,806.10-20,689,643.80

Finding the Fourth Proportional to 22,248,537.40, 33,372,806.10 and 20,689,643.80

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Solution

The fourth proportional to 22,248,537.40, 33,372,806.10 and 20,689,643.80 is: 31,034,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,248,537.40 : 33,372,806.10 = 20,689,643.80 : x
  2. Step 2: Convert to fraction form
    22,248,537.40/33,372,806.10 = 20,689,643.80/x
  3. Step 3: Cross multiply
    22,248,537.40x = 33,372,806.10 × 20,689,643.80
  4. Step 4: Simplify right side
    22,248,537.40x = 690,471,470,815,467.25
  5. Step 5: Solve for x
    x = 690,471,470,815,467.25/22,248,537.40
  6. Step 6: Final answer
    x = 31,034,465.70

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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.