Home / 11,584,716.54-15,987,019.05-6,428,557.86

Finding the Fourth Proportional to 11,584,716.54, 15,987,019.05 and 6,428,557.86

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Solution

The fourth proportional to 11,584,716.54, 15,987,019.05 and 6,428,557.86 is: 8,871,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,584,716.54 : 15,987,019.05 = 6,428,557.86 : x
  2. Step 2: Convert to fraction form
    11,584,716.54/15,987,019.05 = 6,428,557.86/x
  3. Step 3: Cross multiply
    11,584,716.54x = 15,987,019.05 × 6,428,557.86
  4. Step 4: Simplify right side
    11,584,716.54x = 102,773,476,971,847.25
  5. Step 5: Solve for x
    x = 102,773,476,971,847.25/11,584,716.54
  6. Step 6: Final answer
    x = 8,871,471.01

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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.