Home / 7,045,112.46-9,722,292.48-3,947,642.40

Finding the Fourth Proportional to 7,045,112.46, 9,722,292.48 and 3,947,642.40

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Solution

The fourth proportional to 7,045,112.46, 9,722,292.48 and 3,947,642.40 is: 5,447,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045,112.46 : 9,722,292.48 = 3,947,642.40 : x
  2. Step 2: Convert to fraction form
    7,045,112.46/9,722,292.48 = 3,947,642.40/x
  3. Step 3: Cross multiply
    7,045,112.46x = 9,722,292.48 × 3,947,642.40
  4. Step 4: Simplify right side
    7,045,112.46x = 38,380,134,019,249.16
  5. Step 5: Solve for x
    x = 38,380,134,019,249.16/7,045,112.46
  6. Step 6: Final answer
    x = 5,447,767.40

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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.