Home / 7,250,539.84-10,005,515.96-3,987,344.48

Finding the Fourth Proportional to 7,250,539.84, 10,005,515.96 and 3,987,344.48

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Solution

The fourth proportional to 7,250,539.84, 10,005,515.96 and 3,987,344.48 is: 5,502,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,539.84 : 10,005,515.96 = 3,987,344.48 : x
  2. Step 2: Convert to fraction form
    7,250,539.84/10,005,515.96 = 3,987,344.48/x
  3. Step 3: Cross multiply
    7,250,539.84x = 10,005,515.96 × 3,987,344.48
  4. Step 4: Simplify right side
    7,250,539.84x = 39,895,438,762,693.60
  5. Step 5: Solve for x
    x = 39,895,438,762,693.60/7,250,539.84
  6. Step 6: Final answer
    x = 5,502,409.43

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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.