Home / 8,661,386.30-11,940,391.04-5,904,535.91

Finding the Fourth Proportional to 8,661,386.30, 11,940,391.04 and 5,904,535.91

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Solution

The fourth proportional to 8,661,386.30, 11,940,391.04 and 5,904,535.91 is: 8,139,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661,386.30 : 11,940,391.04 = 5,904,535.91 : x
  2. Step 2: Convert to fraction form
    8,661,386.30/11,940,391.04 = 5,904,535.91/x
  3. Step 3: Cross multiply
    8,661,386.30x = 11,940,391.04 × 5,904,535.91
  4. Step 4: Simplify right side
    8,661,386.30x = 70,502,467,585,897.61
  5. Step 5: Solve for x
    x = 70,502,467,585,897.61/8,661,386.30
  6. Step 6: Final answer
    x = 8,139,859.51

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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.