Home / 20,292,223.43-27,985,187.14-15,822,886.33

Finding the Fourth Proportional to 20,292,223.43, 27,985,187.14 and 15,822,886.33

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Solution

The fourth proportional to 20,292,223.43, 27,985,187.14 and 15,822,886.33 is: 21,821,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292,223.43 : 27,985,187.14 = 15,822,886.33 : x
  2. Step 2: Convert to fraction form
    20,292,223.43/27,985,187.14 = 15,822,886.33/x
  3. Step 3: Cross multiply
    20,292,223.43x = 27,985,187.14 × 15,822,886.33
  4. Step 4: Simplify right side
    20,292,223.43x = 442,806,434,878,005.38
  5. Step 5: Solve for x
    x = 442,806,434,878,005.38/20,292,223.43
  6. Step 6: Final answer
    x = 21,821,484.30

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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.