Home / 15,570,696.48-21,487,741.48-8,601,229.65

Finding the Fourth Proportional to 15,570,696.48, 21,487,741.48 and 8,601,229.65

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Solution

The fourth proportional to 15,570,696.48, 21,487,741.48 and 8,601,229.65 is: 11,869,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570,696.48 : 21,487,741.48 = 8,601,229.65 : x
  2. Step 2: Convert to fraction form
    15,570,696.48/21,487,741.48 = 8,601,229.65/x
  3. Step 3: Cross multiply
    15,570,696.48x = 21,487,741.48 × 8,601,229.65
  4. Step 4: Simplify right side
    15,570,696.48x = 184,820,999,129,310.91
  5. Step 5: Solve for x
    x = 184,820,999,129,310.91/15,570,696.48
  6. Step 6: Final answer
    x = 11,869,796.54

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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.