Home / 5,142,108.32-7,096,064.21-2,818,958.65

Finding the Fourth Proportional to 5,142,108.32, 7,096,064.21 and 2,818,958.65

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Solution

The fourth proportional to 5,142,108.32, 7,096,064.21 and 2,818,958.65 is: 3,890,138.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142,108.32 : 7,096,064.21 = 2,818,958.65 : x
  2. Step 2: Convert to fraction form
    5,142,108.32/7,096,064.21 = 2,818,958.65/x
  3. Step 3: Cross multiply
    5,142,108.32x = 7,096,064.21 × 2,818,958.65
  4. Step 4: Simplify right side
    5,142,108.32x = 20,003,511,564,471.06
  5. Step 5: Solve for x
    x = 20,003,511,564,471.06/5,142,108.32
  6. Step 6: Final answer
    x = 3,890,138.11

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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.