Home / 7,250,308.88-10,005,214.68-3,987,120.32

Finding the Fourth Proportional to 7,250,308.88, 10,005,214.68 and 3,987,120.32

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Solution

The fourth proportional to 7,250,308.88, 10,005,214.68 and 3,987,120.32 is: 5,502,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,308.88 : 10,005,214.68 = 3,987,120.32 : x
  2. Step 2: Convert to fraction form
    7,250,308.88/10,005,214.68 = 3,987,120.32/x
  3. Step 3: Cross multiply
    7,250,308.88x = 10,005,214.68 × 3,987,120.32
  4. Step 4: Simplify right side
    7,250,308.88x = 39,891,994,756,590.30
  5. Step 5: Solve for x
    x = 39,891,994,756,590.30/7,250,308.88
  6. Step 6: Final answer
    x = 5,502,109.69

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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.