Home / 15,178,087.44-20,945,760.67-8,208,764.94

Finding the Fourth Proportional to 15,178,087.44, 20,945,760.67 and 8,208,764.94

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Solution

The fourth proportional to 15,178,087.44, 20,945,760.67 and 8,208,764.94 is: 11,328,095.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178,087.44 : 20,945,760.67 = 8,208,764.94 : x
  2. Step 2: Convert to fraction form
    15,178,087.44/20,945,760.67 = 8,208,764.94/x
  3. Step 3: Cross multiply
    15,178,087.44x = 20,945,760.67 × 8,208,764.94
  4. Step 4: Simplify right side
    15,178,087.44x = 171,938,825,788,483.09
  5. Step 5: Solve for x
    x = 171,938,825,788,483.09/15,178,087.44
  6. Step 6: Final answer
    x = 11,328,095.62

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1.5x scale

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.