Home / 20,831,888.88-31,268,029.32-10,056,772.08

Finding the Fourth Proportional to 20,831,888.88, 31,268,029.32 and 10,056,772.08

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Solution

The fourth proportional to 20,831,888.88, 31,268,029.32 and 10,056,772.08 is: 15,094,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,831,888.88 : 31,268,029.32 = 10,056,772.08 : x
  2. Step 2: Convert to fraction form
    20,831,888.88/31,268,029.32 = 10,056,772.08/x
  3. Step 3: Cross multiply
    20,831,888.88x = 31,268,029.32 × 10,056,772.08
  4. Step 4: Simplify right side
    20,831,888.88x = 314,455,444,261,997.38
  5. Step 5: Solve for x
    x = 314,455,444,261,997.38/20,831,888.88
  6. Step 6: Final answer
    x = 15,094,907.91

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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.