Home / 22,158,687.78-33,238,000.69-12,317,007.35

Finding the Fourth Proportional to 22,158,687.78, 33,238,000.69 and 12,317,007.35

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Solution

The fourth proportional to 22,158,687.78, 33,238,000.69 and 12,317,007.35 is: 18,475,493.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,158,687.78 : 33,238,000.69 = 12,317,007.35 : x
  2. Step 2: Convert to fraction form
    22,158,687.78/33,238,000.69 = 12,317,007.35/x
  3. Step 3: Cross multiply
    22,158,687.78x = 33,238,000.69 × 12,317,007.35
  4. Step 4: Simplify right side
    22,158,687.78x = 409,392,698,850,337.50
  5. Step 5: Solve for x
    x = 409,392,698,850,337.50/22,158,687.78
  6. Step 6: Final answer
    x = 18,475,493.81

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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.