Home / 7,141,515.32-9,856,721.58-4,242,516.68

Finding the Fourth Proportional to 7,141,515.32, 9,856,721.58 and 4,242,516.68

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Solution

The fourth proportional to 7,141,515.32, 9,856,721.58 and 4,242,516.68 is: 5,855,522.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141,515.32 : 9,856,721.58 = 4,242,516.68 : x
  2. Step 2: Convert to fraction form
    7,141,515.32/9,856,721.58 = 4,242,516.68/x
  3. Step 3: Cross multiply
    7,141,515.32x = 9,856,721.58 × 4,242,516.68
  4. Step 4: Simplify right side
    7,141,515.32x = 41,817,305,713,265.95
  5. Step 5: Solve for x
    x = 41,817,305,713,265.95/7,141,515.32
  6. Step 6: Final answer
    x = 5,855,522.79

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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.