Home / 9,721,405.06-13,415,922.71-5,591,429.61

Finding the Fourth Proportional to 9,721,405.06, 13,415,922.71 and 5,591,429.61

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Solution

The fourth proportional to 9,721,405.06, 13,415,922.71 and 5,591,429.61 is: 7,716,393.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721,405.06 : 13,415,922.71 = 5,591,429.61 : x
  2. Step 2: Convert to fraction form
    9,721,405.06/13,415,922.71 = 5,591,429.61/x
  3. Step 3: Cross multiply
    9,721,405.06x = 13,415,922.71 × 5,591,429.61
  4. Step 4: Simplify right side
    9,721,405.06x = 75,014,187,486,165.45
  5. Step 5: Solve for x
    x = 75,014,187,486,165.45/9,721,405.06
  6. Step 6: Final answer
    x = 7,716,393.57

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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.