Home / 22,466,991.78-31,004,432.64-12,153,722.94

Finding the Fourth Proportional to 22,466,991.78, 31,004,432.64 and 12,153,722.94

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Solution

The fourth proportional to 22,466,991.78, 31,004,432.64 and 12,153,722.94 is: 16,772,128.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,466,991.78 : 31,004,432.64 = 12,153,722.94 : x
  2. Step 2: Convert to fraction form
    22,466,991.78/31,004,432.64 = 12,153,722.94/x
  3. Step 3: Cross multiply
    22,466,991.78x = 31,004,432.64 × 12,153,722.94
  4. Step 4: Simplify right side
    22,466,991.78x = 376,819,284,218,452.75
  5. Step 5: Solve for x
    x = 376,819,284,218,452.75/22,466,991.78
  6. Step 6: Final answer
    x = 16,772,128.99

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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.