Home / 10,863,485.72-15,004,873.04-8,122,329.65

Finding the Fourth Proportional to 10,863,485.72, 15,004,873.04 and 8,122,329.65

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Solution

The fourth proportional to 10,863,485.72, 15,004,873.04 and 8,122,329.65 is: 11,218,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,485.72 : 15,004,873.04 = 8,122,329.65 : x
  2. Step 2: Convert to fraction form
    10,863,485.72/15,004,873.04 = 8,122,329.65/x
  3. Step 3: Cross multiply
    10,863,485.72x = 15,004,873.04 × 8,122,329.65
  4. Step 4: Simplify right side
    10,863,485.72x = 121,874,525,164,816.95
  5. Step 5: Solve for x
    x = 121,874,525,164,816.95/10,863,485.72
  6. Step 6: Final answer
    x = 11,218,731.11

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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.