Home / 31,100,381.06-42,927,062.04-18,051,843.71

Finding the Fourth Proportional to 31,100,381.06, 42,927,062.04 and 18,051,843.71

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Solution

The fourth proportional to 31,100,381.06, 42,927,062.04 and 18,051,843.71 is: 24,916,499.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100,381.06 : 42,927,062.04 = 18,051,843.71 : x
  2. Step 2: Convert to fraction form
    31,100,381.06/42,927,062.04 = 18,051,843.71/x
  3. Step 3: Cross multiply
    31,100,381.06x = 42,927,062.04 × 18,051,843.71
  4. Step 4: Simplify right side
    31,100,381.06x = 774,912,614,570,659.12
  5. Step 5: Solve for x
    x = 774,912,614,570,659.12/31,100,381.06
  6. Step 6: Final answer
    x = 24,916,499.03

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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.