Home / 15,069,054.78-20,795,151.06-8,193,538.26

Finding the Fourth Proportional to 15,069,054.78, 20,795,151.06 and 8,193,538.26

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Solution

The fourth proportional to 15,069,054.78, 20,795,151.06 and 8,193,538.26 is: 11,307,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,069,054.78 : 20,795,151.06 = 8,193,538.26 : x
  2. Step 2: Convert to fraction form
    15,069,054.78/20,795,151.06 = 8,193,538.26/x
  3. Step 3: Cross multiply
    15,069,054.78x = 20,795,151.06 × 8,193,538.26
  4. Step 4: Simplify right side
    15,069,054.78x = 170,385,865,832,589.53
  5. Step 5: Solve for x
    x = 170,385,865,832,589.53/15,069,054.78
  6. Step 6: Final answer
    x = 11,307,004.21

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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.