Home / 31,100,381.56-42,927,062.72-18,051,844.20

Finding the Fourth Proportional to 31,100,381.56, 42,927,062.72 and 18,051,844.20

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Solution

The fourth proportional to 31,100,381.56, 42,927,062.72 and 18,051,844.20 is: 24,916,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100,381.56 : 42,927,062.72 = 18,051,844.20 : x
  2. Step 2: Convert to fraction form
    31,100,381.56/42,927,062.72 = 18,051,844.20/x
  3. Step 3: Cross multiply
    31,100,381.56x = 42,927,062.72 × 18,051,844.20
  4. Step 4: Simplify right side
    31,100,381.56x = 774,912,648,185,068.12
  5. Step 5: Solve for x
    x = 774,912,648,185,068.12/31,100,381.56
  6. Step 6: Final answer
    x = 24,916,499.71

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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.