Home / 20,542,646.59-28,348,503.73-11,375,092.51

Finding the Fourth Proportional to 20,542,646.59, 28,348,503.73 and 11,375,092.51

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Solution

The fourth proportional to 20,542,646.59, 28,348,503.73 and 11,375,092.51 is: 15,697,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542,646.59 : 28,348,503.73 = 11,375,092.51 : x
  2. Step 2: Convert to fraction form
    20,542,646.59/28,348,503.73 = 11,375,092.51/x
  3. Step 3: Cross multiply
    20,542,646.59x = 28,348,503.73 × 11,375,092.51
  4. Step 4: Simplify right side
    20,542,646.59x = 322,466,852,448,830.06
  5. Step 5: Solve for x
    x = 322,466,852,448,830.06/20,542,646.59
  6. Step 6: Final answer
    x = 15,697,434.65

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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.