Home / 11,391,856.47-15,720,704.64-6,164,860.86

Finding the Fourth Proportional to 11,391,856.47, 15,720,704.64 and 6,164,860.86

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Solution

The fourth proportional to 11,391,856.47, 15,720,704.64 and 6,164,860.86 is: 8,507,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391,856.47 : 15,720,704.64 = 6,164,860.86 : x
  2. Step 2: Convert to fraction form
    11,391,856.47/15,720,704.64 = 6,164,860.86/x
  3. Step 3: Cross multiply
    11,391,856.47x = 15,720,704.64 × 6,164,860.86
  4. Step 4: Simplify right side
    11,391,856.47x = 96,915,956,726,756.41
  5. Step 5: Solve for x
    x = 96,915,956,726,756.41/11,391,856.47
  6. Step 6: Final answer
    x = 8,507,476.98

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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.