Home / 10,131,584.82-13,981,065.93-5,547,019.38

Finding the Fourth Proportional to 10,131,584.82, 13,981,065.93 and 5,547,019.38

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Solution

The fourth proportional to 10,131,584.82, 13,981,065.93 and 5,547,019.38 is: 7,654,601.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,584.82 : 13,981,065.93 = 5,547,019.38 : x
  2. Step 2: Convert to fraction form
    10,131,584.82/13,981,065.93 = 5,547,019.38/x
  3. Step 3: Cross multiply
    10,131,584.82x = 13,981,065.93 × 5,547,019.38
  4. Step 4: Simplify right side
    10,131,584.82x = 77,553,243,666,767.72
  5. Step 5: Solve for x
    x = 77,553,243,666,767.72/10,131,584.82
  6. Step 6: Final answer
    x = 7,654,601.43

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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.