Home / 19,722,649.77-27,216,734.40-11,020,893.89

Finding the Fourth Proportional to 19,722,649.77, 27,216,734.40 and 11,020,893.89

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Solution

The fourth proportional to 19,722,649.77, 27,216,734.40 and 11,020,893.89 is: 15,208,541.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722,649.77 : 27,216,734.40 = 11,020,893.89 : x
  2. Step 2: Convert to fraction form
    19,722,649.77/27,216,734.40 = 11,020,893.89/x
  3. Step 3: Cross multiply
    19,722,649.77x = 27,216,734.40 × 11,020,893.89
  4. Step 4: Simplify right side
    19,722,649.77x = 299,952,741,718,629.12
  5. Step 5: Solve for x
    x = 299,952,741,718,629.12/19,722,649.77
  6. Step 6: Final answer
    x = 15,208,541.71

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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.