Home / 13,852,750.72-20,783,611.24-6,663,349.08

Finding the Fourth Proportional to 13,852,750.72, 20,783,611.24 and 6,663,349.08

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Solution

The fourth proportional to 13,852,750.72, 20,783,611.24 and 6,663,349.08 is: 9,997,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852,750.72 : 20,783,611.24 = 6,663,349.08 : x
  2. Step 2: Convert to fraction form
    13,852,750.72/20,783,611.24 = 6,663,349.08/x
  3. Step 3: Cross multiply
    13,852,750.72x = 20,783,611.24 × 6,663,349.08
  4. Step 4: Simplify right side
    13,852,750.72x = 138,488,456,835,131.66
  5. Step 5: Solve for x
    x = 138,488,456,835,131.66/13,852,750.72
  6. Step 6: Final answer
    x = 9,997,181.04

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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.