Home / 10,505,964.17-15,759,429.20-3,218,902.07

Finding the Fourth Proportional to 10,505,964.17, 15,759,429.20 and 3,218,902.07

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Solution

The fourth proportional to 10,505,964.17, 15,759,429.20 and 3,218,902.07 is: 4,828,501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505,964.17 : 15,759,429.20 = 3,218,902.07 : x
  2. Step 2: Convert to fraction form
    10,505,964.17/15,759,429.20 = 3,218,902.07/x
  3. Step 3: Cross multiply
    10,505,964.17x = 15,759,429.20 × 3,218,902.07
  4. Step 4: Simplify right side
    10,505,964.17x = 50,728,059,273,898.44
  5. Step 5: Solve for x
    x = 50,728,059,273,898.44/10,505,964.17
  6. Step 6: Final answer
    x = 4,828,501.07

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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.