Home / 15,084,536.11-20,817,345.30-8,889,844.27

Finding the Fourth Proportional to 15,084,536.11, 20,817,345.30 and 8,889,844.27

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Solution

The fourth proportional to 15,084,536.11, 20,817,345.30 and 8,889,844.27 is: 12,268,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,084,536.11 : 20,817,345.30 = 8,889,844.27 : x
  2. Step 2: Convert to fraction form
    15,084,536.11/20,817,345.30 = 8,889,844.27/x
  3. Step 3: Cross multiply
    15,084,536.11x = 20,817,345.30 × 8,889,844.27
  4. Step 4: Simplify right side
    15,084,536.11x = 185,062,957,831,816.44
  5. Step 5: Solve for x
    x = 185,062,957,831,816.44/15,084,536.11
  6. Step 6: Final answer
    x = 12,268,389.06

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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.