Home / 36,637,870.38-50,557,961.54-20,117,879.28

Finding the Fourth Proportional to 36,637,870.38, 50,557,961.54 and 20,117,879.28

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Solution

The fourth proportional to 36,637,870.38, 50,557,961.54 and 20,117,879.28 is: 27,761,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,637,870.38 : 50,557,961.54 = 20,117,879.28 : x
  2. Step 2: Convert to fraction form
    36,637,870.38/50,557,961.54 = 20,117,879.28/x
  3. Step 3: Cross multiply
    36,637,870.38x = 50,557,961.54 × 20,117,879.28
  4. Step 4: Simplify right side
    36,637,870.38x = 1,017,118,966,804,013.50
  5. Step 5: Solve for x
    x = 1,017,118,966,804,013.50/36,637,870.38
  6. Step 6: Final answer
    x = 27,761,410.70

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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.