Home / 9,279,518.00-12,805,874.15-5,149,816.65

Finding the Fourth Proportional to 9,279,518.00, 12,805,874.15 and 5,149,816.65

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Solution

The fourth proportional to 9,279,518.00, 12,805,874.15 and 5,149,816.65 is: 7,106,824.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279,518.00 : 12,805,874.15 = 5,149,816.65 : x
  2. Step 2: Convert to fraction form
    9,279,518.00/12,805,874.15 = 5,149,816.65/x
  3. Step 3: Cross multiply
    9,279,518.00x = 12,805,874.15 × 5,149,816.65
  4. Step 4: Simplify right side
    9,279,518.00x = 65,947,903,889,725.52
  5. Step 5: Solve for x
    x = 65,947,903,889,725.52/9,279,518.00
  6. Step 6: Final answer
    x = 7,106,824.29

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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.