Home / 8,667,729.27-11,955,706.88-5,574,163.79

Finding the Fourth Proportional to 8,667,729.27, 11,955,706.88 and 5,574,163.79

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Solution

The fourth proportional to 8,667,729.27, 11,955,706.88 and 5,574,163.79 is: 7,688,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667,729.27 : 11,955,706.88 = 5,574,163.79 : x
  2. Step 2: Convert to fraction form
    8,667,729.27/11,955,706.88 = 5,574,163.79/x
  3. Step 3: Cross multiply
    8,667,729.27x = 11,955,706.88 × 5,574,163.79
  4. Step 4: Simplify right side
    8,667,729.27x = 66,643,068,286,700.52
  5. Step 5: Solve for x
    x = 66,643,068,286,700.52/8,667,729.27
  6. Step 6: Final answer
    x = 7,688,642.11

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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.