Home / 9,126,737.25-12,591,208.67-5,257,185.81

Finding the Fourth Proportional to 9,126,737.25, 12,591,208.67 and 5,257,185.81

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Solution

The fourth proportional to 9,126,737.25, 12,591,208.67 and 5,257,185.81 is: 7,252,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126,737.25 : 12,591,208.67 = 5,257,185.81 : x
  2. Step 2: Convert to fraction form
    9,126,737.25/12,591,208.67 = 5,257,185.81/x
  3. Step 3: Cross multiply
    9,126,737.25x = 12,591,208.67 × 5,257,185.81
  4. Step 4: Simplify right side
    9,126,737.25x = 66,194,323,524,387.03
  5. Step 5: Solve for x
    x = 66,194,323,524,387.03/9,126,737.25
  6. Step 6: Final answer
    x = 7,252,791.63

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1.5x scale

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.