Home / 7,225,839.61-9,970,742.16-3,961,795.42

Finding the Fourth Proportional to 7,225,839.61, 9,970,742.16 and 3,961,795.42

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Solution

The fourth proportional to 7,225,839.61, 9,970,742.16 and 3,961,795.42 is: 5,466,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225,839.61 : 9,970,742.16 = 3,961,795.42 : x
  2. Step 2: Convert to fraction form
    7,225,839.61/9,970,742.16 = 3,961,795.42/x
  3. Step 3: Cross multiply
    7,225,839.61x = 9,970,742.16 × 3,961,795.42
  4. Step 4: Simplify right side
    7,225,839.61x = 39,502,040,623,488.91
  5. Step 5: Solve for x
    x = 39,502,040,623,488.91/7,225,839.61
  6. Step 6: Final answer
    x = 5,466,775.18

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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.