Home / 14,519,921.91-20,038,663.47-8,325,544.95

Finding the Fourth Proportional to 14,519,921.91, 20,038,663.47 and 8,325,544.95

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Solution

The fourth proportional to 14,519,921.91, 20,038,663.47 and 8,325,544.95 is: 11,489,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519,921.91 : 20,038,663.47 = 8,325,544.95 : x
  2. Step 2: Convert to fraction form
    14,519,921.91/20,038,663.47 = 8,325,544.95/x
  3. Step 3: Cross multiply
    14,519,921.91x = 20,038,663.47 × 8,325,544.95
  4. Step 4: Simplify right side
    14,519,921.91x = 166,832,793,457,407.97
  5. Step 5: Solve for x
    x = 166,832,793,457,407.97/14,519,921.91
  6. Step 6: Final answer
    x = 11,489,923.60

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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.