Home / 14,906,895.75-20,571,318.90-8,291,439.45

Finding the Fourth Proportional to 14,906,895.75, 20,571,318.90 and 8,291,439.45

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Solution

The fourth proportional to 14,906,895.75, 20,571,318.90 and 8,291,439.45 is: 11,442,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906,895.75 : 20,571,318.90 = 8,291,439.45 : x
  2. Step 2: Convert to fraction form
    14,906,895.75/20,571,318.90 = 8,291,439.45/x
  3. Step 3: Cross multiply
    14,906,895.75x = 20,571,318.90 × 8,291,439.45
  4. Step 4: Simplify right side
    14,906,895.75x = 170,565,845,065,990.59
  5. Step 5: Solve for x
    x = 170,565,845,065,990.59/14,906,895.75
  6. Step 6: Final answer
    x = 11,442,076.74

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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.