Home / 11,639,456.33-16,061,242.75-7,168,303.71

Finding the Fourth Proportional to 11,639,456.33, 16,061,242.75 and 7,168,303.71

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Solution

The fourth proportional to 11,639,456.33, 16,061,242.75 and 7,168,303.71 is: 9,891,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639,456.33 : 16,061,242.75 = 7,168,303.71 : x
  2. Step 2: Convert to fraction form
    11,639,456.33/16,061,242.75 = 7,168,303.71/x
  3. Step 3: Cross multiply
    11,639,456.33x = 16,061,242.75 × 7,168,303.71
  4. Step 4: Simplify right side
    11,639,456.33x = 115,131,865,974,114.84
  5. Step 5: Solve for x
    x = 115,131,865,974,114.84/11,639,456.33
  6. Step 6: Final answer
    x = 9,891,515.79

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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.