Home / 13,170,950.81-18,175,456.01-7,290,841.48

Finding the Fourth Proportional to 13,170,950.81, 18,175,456.01 and 7,290,841.48

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Solution

The fourth proportional to 13,170,950.81, 18,175,456.01 and 7,290,841.48 is: 10,061,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170,950.81 : 18,175,456.01 = 7,290,841.48 : x
  2. Step 2: Convert to fraction form
    13,170,950.81/18,175,456.01 = 7,290,841.48/x
  3. Step 3: Cross multiply
    13,170,950.81x = 18,175,456.01 × 7,290,841.48
  4. Step 4: Simplify right side
    13,170,950.81x = 132,514,368,568,411.75
  5. Step 5: Solve for x
    x = 132,514,368,568,411.75/13,170,950.81
  6. Step 6: Final answer
    x = 10,061,108.76

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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.