Home / 15,471,188.25-21,345,583.81-9,273,973.79

Finding the Fourth Proportional to 15,471,188.25, 21,345,583.81 and 9,273,973.79

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Solution

The fourth proportional to 15,471,188.25, 21,345,583.81 and 9,273,973.79 is: 12,795,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471,188.25 : 21,345,583.81 = 9,273,973.79 : x
  2. Step 2: Convert to fraction form
    15,471,188.25/21,345,583.81 = 9,273,973.79/x
  3. Step 3: Cross multiply
    15,471,188.25x = 21,345,583.81 × 9,273,973.79
  4. Step 4: Simplify right side
    15,471,188.25x = 197,958,384,842,851.12
  5. Step 5: Solve for x
    x = 197,958,384,842,851.12/15,471,188.25
  6. Step 6: Final answer
    x = 12,795,292.88

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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.