Home / 13,197,044.48-18,212,648.92-7,397,689.10

Finding the Fourth Proportional to 13,197,044.48, 18,212,648.92 and 7,397,689.10

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Solution

The fourth proportional to 13,197,044.48, 18,212,648.92 and 7,397,689.10 is: 10,209,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197,044.48 : 18,212,648.92 = 7,397,689.10 : x
  2. Step 2: Convert to fraction form
    13,197,044.48/18,212,648.92 = 7,397,689.10/x
  3. Step 3: Cross multiply
    13,197,044.48x = 18,212,648.92 × 7,397,689.10
  4. Step 4: Simplify right side
    13,197,044.48x = 134,731,514,288,053.30
  5. Step 5: Solve for x
    x = 134,731,514,288,053.30/13,197,044.48
  6. Step 6: Final answer
    x = 10,209,218.78

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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.