Home / 7,142,410.44-9,854,992.98-4,242,778.92

Finding the Fourth Proportional to 7,142,410.44, 9,854,992.98 and 4,242,778.92

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Solution

The fourth proportional to 7,142,410.44, 9,854,992.98 and 4,242,778.92 is: 5,854,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,410.44 : 9,854,992.98 = 4,242,778.92 : x
  2. Step 2: Convert to fraction form
    7,142,410.44/9,854,992.98 = 4,242,778.92/x
  3. Step 3: Cross multiply
    7,142,410.44x = 9,854,992.98 × 4,242,778.92
  4. Step 4: Simplify right side
    7,142,410.44x = 41,812,556,472,291.98
  5. Step 5: Solve for x
    x = 41,812,556,472,291.98/7,142,410.44
  6. Step 6: Final answer
    x = 5,854,124.01

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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.