Home / 8,667,729.15-11,955,706.70-5,574,163.66

Finding the Fourth Proportional to 8,667,729.15, 11,955,706.70 and 5,574,163.66

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Solution

The fourth proportional to 8,667,729.15, 11,955,706.70 and 5,574,163.66 is: 7,688,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667,729.15 : 11,955,706.70 = 5,574,163.66 : x
  2. Step 2: Convert to fraction form
    8,667,729.15/11,955,706.70 = 5,574,163.66/x
  3. Step 3: Cross multiply
    8,667,729.15x = 11,955,706.70 × 5,574,163.66
  4. Step 4: Simplify right side
    8,667,729.15x = 66,643,065,788,887.71
  5. Step 5: Solve for x
    x = 66,643,065,788,887.71/8,667,729.15
  6. Step 6: Final answer
    x = 7,688,641.94

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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.