Home / 23,133,731.05-31,924,005.57-12,820,232.71

Finding the Fourth Proportional to 23,133,731.05, 31,924,005.57 and 12,820,232.71

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Solution

The fourth proportional to 23,133,731.05, 31,924,005.57 and 12,820,232.71 is: 17,691,620.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133,731.05 : 31,924,005.57 = 12,820,232.71 : x
  2. Step 2: Convert to fraction form
    23,133,731.05/31,924,005.57 = 12,820,232.71/x
  3. Step 3: Cross multiply
    23,133,731.05x = 31,924,005.57 × 12,820,232.71
  4. Step 4: Simplify right side
    23,133,731.05x = 409,273,180,442,736.25
  5. Step 5: Solve for x
    x = 409,273,180,442,736.25/23,133,731.05
  6. Step 6: Final answer
    x = 17,691,620.07

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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.