Home / 7,250,427.22-10,005,390.06-3,987,241.96

Finding the Fourth Proportional to 7,250,427.22, 10,005,390.06 and 3,987,241.96

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Solution

The fourth proportional to 7,250,427.22, 10,005,390.06 and 3,987,241.96 is: 5,502,284.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,427.22 : 10,005,390.06 = 3,987,241.96 : x
  2. Step 2: Convert to fraction form
    7,250,427.22/10,005,390.06 = 3,987,241.96/x
  3. Step 3: Cross multiply
    7,250,427.22x = 10,005,390.06 × 3,987,241.96
  4. Step 4: Simplify right side
    7,250,427.22x = 39,893,911,063,405.52
  5. Step 5: Solve for x
    x = 39,893,911,063,405.52/7,250,427.22
  6. Step 6: Final answer
    x = 5,502,284.19

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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.