Home / 21,252,148.08-31,878,112.98-8,299,613.86

Finding the Fourth Proportional to 21,252,148.08, 31,878,112.98 and 8,299,613.86

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Solution

The fourth proportional to 21,252,148.08, 31,878,112.98 and 8,299,613.86 is: 12,449,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252,148.08 : 31,878,112.98 = 8,299,613.86 : x
  2. Step 2: Convert to fraction form
    21,252,148.08/31,878,112.98 = 8,299,613.86/x
  3. Step 3: Cross multiply
    21,252,148.08x = 31,878,112.98 × 8,299,613.86
  4. Step 4: Simplify right side
    21,252,148.08x = 264,576,028,319,453.91
  5. Step 5: Solve for x
    x = 264,576,028,319,453.91/21,252,148.08
  6. Step 6: Final answer
    x = 12,449,378.17

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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.