Home / 22,486,188.24-31,030,949.79-12,172,911

Finding the Fourth Proportional to 22,486,188.24, 31,030,949.79 and 12,172,911

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Solution

The fourth proportional to 22,486,188.24, 31,030,949.79 and 12,172,911 is: 16,798,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486,188.24 : 31,030,949.79 = 12,172,911 : x
  2. Step 2: Convert to fraction form
    22,486,188.24/31,030,949.79 = 12,172,911/x
  3. Step 3: Cross multiply
    22,486,188.24x = 31,030,949.79 × 12,172,911
  4. Step 4: Simplify right side
    22,486,188.24x = 377,736,990,039,138.69
  5. Step 5: Solve for x
    x = 377,736,990,039,138.69/22,486,188.24
  6. Step 6: Final answer
    x = 16,798,622.60

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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.