Home / 31,107,486.20-42,921,460.59-18,047,181.38

Finding the Fourth Proportional to 31,107,486.20, 42,921,460.59 and 18,047,181.38

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Solution

The fourth proportional to 31,107,486.20, 42,921,460.59 and 18,047,181.38 is: 24,901,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,107,486.20 : 42,921,460.59 = 18,047,181.38 : x
  2. Step 2: Convert to fraction form
    31,107,486.20/42,921,460.59 = 18,047,181.38/x
  3. Step 3: Cross multiply
    31,107,486.20x = 42,921,460.59 × 18,047,181.38
  4. Step 4: Simplify right side
    31,107,486.20x = 774,611,384,362,251.88
  5. Step 5: Solve for x
    x = 774,611,384,362,251.88/31,107,486.20
  6. Step 6: Final answer
    x = 24,901,124.42

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1.5x scale

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.