Home / 7,136,821.55-9,848,690.11-3,873,566.24

Finding the Fourth Proportional to 7,136,821.55, 9,848,690.11 and 3,873,566.24

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Solution

The fourth proportional to 7,136,821.55, 9,848,690.11 and 3,873,566.24 is: 5,345,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,821.55 : 9,848,690.11 = 3,873,566.24 : x
  2. Step 2: Convert to fraction form
    7,136,821.55/9,848,690.11 = 3,873,566.24/x
  3. Step 3: Cross multiply
    7,136,821.55x = 9,848,690.11 × 3,873,566.24
  4. Step 4: Simplify right side
    7,136,821.55x = 38,149,553,518,317.88
  5. Step 5: Solve for x
    x = 38,149,553,518,317.88/7,136,821.55
  6. Step 6: Final answer
    x = 5,345,454.31

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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.