Home / 13,514,119.17-18,649,467.84-7,319,162.22

Finding the Fourth Proportional to 13,514,119.17, 18,649,467.84 and 7,319,162.22

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Solution

The fourth proportional to 13,514,119.17, 18,649,467.84 and 7,319,162.22 is: 10,100,434.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514,119.17 : 18,649,467.84 = 7,319,162.22 : x
  2. Step 2: Convert to fraction form
    13,514,119.17/18,649,467.84 = 7,319,162.22/x
  3. Step 3: Cross multiply
    13,514,119.17x = 18,649,467.84 × 7,319,162.22
  4. Step 4: Simplify right side
    13,514,119.17x = 136,498,480,437,633
  5. Step 5: Solve for x
    x = 136,498,480,437,633/13,514,119.17
  6. Step 6: Final answer
    x = 10,100,434.87

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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.