Home / 31,186,753.10-43,035,534.46-18,133,085.92

Finding the Fourth Proportional to 31,186,753.10, 43,035,534.46 and 18,133,085.92

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Solution

The fourth proportional to 31,186,753.10, 43,035,534.46 and 18,133,085.92 is: 25,022,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186,753.10 : 43,035,534.46 = 18,133,085.92 : x
  2. Step 2: Convert to fraction form
    31,186,753.10/43,035,534.46 = 18,133,085.92/x
  3. Step 3: Cross multiply
    31,186,753.10x = 43,035,534.46 × 18,133,085.92
  4. Step 4: Simplify right side
    31,186,753.10x = 780,367,043,976,300.88
  5. Step 5: Solve for x
    x = 780,367,043,976,300.88/31,186,753.10
  6. Step 6: Final answer
    x = 25,022,388.24

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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.