Home / 15,376,090.27-21,219,042.72-8,407,217.52

Finding the Fourth Proportional to 15,376,090.27, 21,219,042.72 and 8,407,217.52

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Solution

The fourth proportional to 15,376,090.27, 21,219,042.72 and 8,407,217.52 is: 11,601,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376,090.27 : 21,219,042.72 = 8,407,217.52 : x
  2. Step 2: Convert to fraction form
    15,376,090.27/21,219,042.72 = 8,407,217.52/x
  3. Step 3: Cross multiply
    15,376,090.27x = 21,219,042.72 × 8,407,217.52
  4. Step 4: Simplify right side
    15,376,090.27x = 178,393,107,713,212.44
  5. Step 5: Solve for x
    x = 178,393,107,713,212.44/15,376,090.27
  6. Step 6: Final answer
    x = 11,601,981.04

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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.