Home / 21,056,076.56-31,584,113.24-11,479,508.08

Finding the Fourth Proportional to 21,056,076.56, 31,584,113.24 and 11,479,508.08

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Solution

The fourth proportional to 21,056,076.56, 31,584,113.24 and 11,479,508.08 is: 17,219,261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056,076.56 : 31,584,113.24 = 11,479,508.08 : x
  2. Step 2: Convert to fraction form
    21,056,076.56/31,584,113.24 = 11,479,508.08/x
  3. Step 3: Cross multiply
    21,056,076.56x = 31,584,113.24 × 11,479,508.08
  4. Step 4: Simplify right side
    21,056,076.56x = 362,570,083,138,214.94
  5. Step 5: Solve for x
    x = 362,570,083,138,214.94/21,056,076.56
  6. Step 6: Final answer
    x = 17,219,261.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.