Home / 21,195,345-29,247,908.52-12,027,987.72

Finding the Fourth Proportional to 21,195,345, 29,247,908.52 and 12,027,987.72

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Solution

The fourth proportional to 21,195,345, 29,247,908.52 and 12,027,987.72 is: 16,597,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195,345 : 29,247,908.52 = 12,027,987.72 : x
  2. Step 2: Convert to fraction form
    21,195,345/29,247,908.52 = 12,027,987.72/x
  3. Step 3: Cross multiply
    21,195,345x = 29,247,908.52 × 12,027,987.72
  4. Step 4: Simplify right side
    21,195,345x = 351,793,484,514,243.38
  5. Step 5: Solve for x
    x = 351,793,484,514,243.38/21,195,345
  6. Step 6: Final answer
    x = 16,597,676.73

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Double scale
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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.