Home / 22,970,745.42-31,700,304.84-12,658,132.80

Finding the Fourth Proportional to 22,970,745.42, 31,700,304.84 and 12,658,132.80

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Solution

The fourth proportional to 22,970,745.42, 31,700,304.84 and 12,658,132.80 is: 17,468,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,970,745.42 : 31,700,304.84 = 12,658,132.80 : x
  2. Step 2: Convert to fraction form
    22,970,745.42/31,700,304.84 = 12,658,132.80/x
  3. Step 3: Cross multiply
    22,970,745.42x = 31,700,304.84 × 12,658,132.80
  4. Step 4: Simplify right side
    22,970,745.42x = 401,266,668,465,202.75
  5. Step 5: Solve for x
    x = 401,266,668,465,202.75/22,970,745.42
  6. Step 6: Final answer
    x = 17,468,595.87

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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.