Home / 14,631,991.74-20,191,881.69-8,105,599.80

Finding the Fourth Proportional to 14,631,991.74, 20,191,881.69 and 8,105,599.80

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Solution

The fourth proportional to 14,631,991.74, 20,191,881.69 and 8,105,599.80 is: 11,185,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631,991.74 : 20,191,881.69 = 8,105,599.80 : x
  2. Step 2: Convert to fraction form
    14,631,991.74/20,191,881.69 = 8,105,599.80/x
  3. Step 3: Cross multiply
    14,631,991.74x = 20,191,881.69 × 8,105,599.80
  4. Step 4: Simplify right side
    14,631,991.74x = 163,667,312,188,087.66
  5. Step 5: Solve for x
    x = 163,667,312,188,087.66/14,631,991.74
  6. Step 6: Final answer
    x = 11,185,579.86

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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.