Home / 15,474,527.33-21,355,041.23-8,505,965.70

Finding the Fourth Proportional to 15,474,527.33, 21,355,041.23 and 8,505,965.70

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Solution

The fourth proportional to 15,474,527.33, 21,355,041.23 and 8,505,965.70 is: 11,738,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,474,527.33 : 21,355,041.23 = 8,505,965.70 : x
  2. Step 2: Convert to fraction form
    15,474,527.33/21,355,041.23 = 8,505,965.70/x
  3. Step 3: Cross multiply
    15,474,527.33x = 21,355,041.23 × 8,505,965.70
  4. Step 4: Simplify right side
    15,474,527.33x = 181,645,248,181,935.97
  5. Step 5: Solve for x
    x = 181,645,248,181,935.97/15,474,527.33
  6. Step 6: Final answer
    x = 11,738,339.04

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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.