Home / 9,721,405.94-13,415,923.92-5,591,430.48

Finding the Fourth Proportional to 9,721,405.94, 13,415,923.92 and 5,591,430.48

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Solution

The fourth proportional to 9,721,405.94, 13,415,923.92 and 5,591,430.48 is: 7,716,394.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721,405.94 : 13,415,923.92 = 5,591,430.48 : x
  2. Step 2: Convert to fraction form
    9,721,405.94/13,415,923.92 = 5,591,430.48/x
  3. Step 3: Cross multiply
    9,721,405.94x = 13,415,923.92 × 5,591,430.48
  4. Step 4: Simplify right side
    9,721,405.94x = 75,014,205,923,649.09
  5. Step 5: Solve for x
    x = 75,014,205,923,649.09/9,721,405.94
  6. Step 6: Final answer
    x = 7,716,394.77

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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.