Home / 9,728,389.02-13,425,179.79-5,318,133.84

Finding the Fourth Proportional to 9,728,389.02, 13,425,179.79 and 5,318,133.84

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Solution

The fourth proportional to 9,728,389.02, 13,425,179.79 and 5,318,133.84 is: 7,339,026.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728,389.02 : 13,425,179.79 = 5,318,133.84 : x
  2. Step 2: Convert to fraction form
    9,728,389.02/13,425,179.79 = 5,318,133.84/x
  3. Step 3: Cross multiply
    9,728,389.02x = 13,425,179.79 × 5,318,133.84
  4. Step 4: Simplify right side
    9,728,389.02x = 71,396,902,949,283.09
  5. Step 5: Solve for x
    x = 71,396,902,949,283.09/9,728,389.02
  6. Step 6: Final answer
    x = 7,339,026.31

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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.