Home / 8,667,728.65-11,955,706.01-5,574,163.16

Finding the Fourth Proportional to 8,667,728.65, 11,955,706.01 and 5,574,163.16

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Solution

The fourth proportional to 8,667,728.65, 11,955,706.01 and 5,574,163.16 is: 7,688,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667,728.65 : 11,955,706.01 = 5,574,163.16 : x
  2. Step 2: Convert to fraction form
    8,667,728.65/11,955,706.01 = 5,574,163.16/x
  3. Step 3: Cross multiply
    8,667,728.65x = 11,955,706.01 × 5,574,163.16
  4. Step 4: Simplify right side
    8,667,728.65x = 66,643,055,964,861.78
  5. Step 5: Solve for x
    x = 66,643,055,964,861.78/8,667,728.65
  6. Step 6: Final answer
    x = 7,688,641.25

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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.