Home / 11,576,856-15,976,061.28-6,421,007.04

Finding the Fourth Proportional to 11,576,856, 15,976,061.28 and 6,421,007.04

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Solution

The fourth proportional to 11,576,856, 15,976,061.28 and 6,421,007.04 is: 8,860,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576,856 : 15,976,061.28 = 6,421,007.04 : x
  2. Step 2: Convert to fraction form
    11,576,856/15,976,061.28 = 6,421,007.04/x
  3. Step 3: Cross multiply
    11,576,856x = 15,976,061.28 × 6,421,007.04
  4. Step 4: Simplify right side
    11,576,856x = 102,582,401,950,351.41
  5. Step 5: Solve for x
    x = 102,582,401,950,351.41/11,576,856
  6. Step 6: Final answer
    x = 8,860,989.72

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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.