Home / 13,866,769.35-20,783,117.48-7,788,724.56

Finding the Fourth Proportional to 13,866,769.35, 20,783,117.48 and 7,788,724.56

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Solution

The fourth proportional to 13,866,769.35, 20,783,117.48 and 7,788,724.56 is: 11,673,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866,769.35 : 20,783,117.48 = 7,788,724.56 : x
  2. Step 2: Convert to fraction form
    13,866,769.35/20,783,117.48 = 7,788,724.56/x
  3. Step 3: Cross multiply
    13,866,769.35x = 20,783,117.48 × 7,788,724.56
  4. Step 4: Simplify right side
    13,866,769.35x = 161,873,977,510,897.69
  5. Step 5: Solve for x
    x = 161,873,977,510,897.69/13,866,769.35
  6. Step 6: Final answer
    x = 11,673,517.70

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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.