Home / 15,488,288.93-21,373,881.32-8,519,680.42

Finding the Fourth Proportional to 15,488,288.93, 21,373,881.32 and 8,519,680.42

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Solution

The fourth proportional to 15,488,288.93, 21,373,881.32 and 8,519,680.42 is: 11,757,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488,288.93 : 21,373,881.32 = 8,519,680.42 : x
  2. Step 2: Convert to fraction form
    15,488,288.93/21,373,881.32 = 8,519,680.42/x
  3. Step 3: Cross multiply
    15,488,288.93x = 21,373,881.32 × 8,519,680.42
  4. Step 4: Simplify right side
    15,488,288.93x = 182,098,638,149,272.28
  5. Step 5: Solve for x
    x = 182,098,638,149,272.28/15,488,288.93
  6. Step 6: Final answer
    x = 11,757,182.41

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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.