Home / 33,213,138.65-45,834,150.87-18,528,805

Finding the Fourth Proportional to 33,213,138.65, 45,834,150.87 and 18,528,805

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Solution

The fourth proportional to 33,213,138.65, 45,834,150.87 and 18,528,805 is: 25,569,761.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,213,138.65 : 45,834,150.87 = 18,528,805 : x
  2. Step 2: Convert to fraction form
    33,213,138.65/45,834,150.87 = 18,528,805/x
  3. Step 3: Cross multiply
    33,213,138.65x = 45,834,150.87 × 18,528,805
  4. Step 4: Simplify right side
    33,213,138.65x = 849,252,043,718,166.38
  5. Step 5: Solve for x
    x = 849,252,043,718,166.38/33,213,138.65
  6. Step 6: Final answer
    x = 25,569,761.79

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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.