Home / 11,157,305.93-16,728,318.51-5,681,801.73

Finding the Fourth Proportional to 11,157,305.93, 16,728,318.51 and 5,681,801.73

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Solution

The fourth proportional to 11,157,305.93, 16,728,318.51 and 5,681,801.73 is: 8,518,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157,305.93 : 16,728,318.51 = 5,681,801.73 : x
  2. Step 2: Convert to fraction form
    11,157,305.93/16,728,318.51 = 5,681,801.73/x
  3. Step 3: Cross multiply
    11,157,305.93x = 16,728,318.51 × 5,681,801.73
  4. Step 4: Simplify right side
    11,157,305.93x = 95,046,989,050,109.03
  5. Step 5: Solve for x
    x = 95,046,989,050,109.03/11,157,305.93
  6. Step 6: Final answer
    x = 8,518,811.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.