Home / 21,179,253.97-31,626,259.45-17,296,413.77

Finding the Fourth Proportional to 21,179,253.97, 31,626,259.45 and 17,296,413.77

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Solution

The fourth proportional to 21,179,253.97, 31,626,259.45 and 17,296,413.77 is: 25,828,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,179,253.97 : 31,626,259.45 = 17,296,413.77 : x
  2. Step 2: Convert to fraction form
    21,179,253.97/31,626,259.45 = 17,296,413.77/x
  3. Step 3: Cross multiply
    21,179,253.97x = 31,626,259.45 × 17,296,413.77
  4. Step 4: Simplify right side
    21,179,253.97x = 547,020,869,480,397.31
  5. Step 5: Solve for x
    x = 547,020,869,480,397.31/21,179,253.97
  6. Step 6: Final answer
    x = 25,828,146.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.