Home / 7,650,642.57-10,557,507.78-4,212,241.17

Finding the Fourth Proportional to 7,650,642.57, 10,557,507.78 and 4,212,241.17

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Solution

The fourth proportional to 7,650,642.57, 10,557,507.78 and 4,212,241.17 is: 5,812,684.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650,642.57 : 10,557,507.78 = 4,212,241.17 : x
  2. Step 2: Convert to fraction form
    7,650,642.57/10,557,507.78 = 4,212,241.17/x
  3. Step 3: Cross multiply
    7,650,642.57x = 10,557,507.78 × 4,212,241.17
  4. Step 4: Simplify right side
    7,650,642.57x = 44,470,768,923,511.30
  5. Step 5: Solve for x
    x = 44,470,768,923,511.30/7,650,642.57
  6. Step 6: Final answer
    x = 5,812,684.17

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Double scale
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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.