Home / 13,204,845.80-19,795,748.70-5,123,335.40

Finding the Fourth Proportional to 13,204,845.80, 19,795,748.70 and 5,123,335.40

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Solution

The fourth proportional to 13,204,845.80, 19,795,748.70 and 5,123,335.40 is: 7,680,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204,845.80 : 19,795,748.70 = 5,123,335.40 : x
  2. Step 2: Convert to fraction form
    13,204,845.80/19,795,748.70 = 5,123,335.40/x
  3. Step 3: Cross multiply
    13,204,845.80x = 19,795,748.70 × 5,123,335.40
  4. Step 4: Simplify right side
    13,204,845.80x = 101,420,260,084,213.98
  5. Step 5: Solve for x
    x = 101,420,260,084,213.98/13,204,845.80
  6. Step 6: Final answer
    x = 7,680,533.47

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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.