Home / 8,892,448.45-12,270,183.95-5,172,102.65

Finding the Fourth Proportional to 8,892,448.45, 12,270,183.95 and 5,172,102.65

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Solution

The fourth proportional to 8,892,448.45, 12,270,183.95 and 5,172,102.65 is: 7,136,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892,448.45 : 12,270,183.95 = 5,172,102.65 : x
  2. Step 2: Convert to fraction form
    8,892,448.45/12,270,183.95 = 5,172,102.65/x
  3. Step 3: Cross multiply
    8,892,448.45x = 12,270,183.95 × 5,172,102.65
  4. Step 4: Simplify right side
    8,892,448.45x = 63,462,650,967,388.19
  5. Step 5: Solve for x
    x = 63,462,650,967,388.19/8,892,448.45
  6. Step 6: Final answer
    x = 7,136,690.34

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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.