Home / 11,214,019.91-16,821,029.87-9,221,116.16

Finding the Fourth Proportional to 11,214,019.91, 16,821,029.87 and 9,221,116.16

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Solution

The fourth proportional to 11,214,019.91, 16,821,029.87 and 9,221,116.16 is: 13,831,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214,019.91 : 16,821,029.87 = 9,221,116.16 : x
  2. Step 2: Convert to fraction form
    11,214,019.91/16,821,029.87 = 9,221,116.16/x
  3. Step 3: Cross multiply
    11,214,019.91x = 16,821,029.87 × 9,221,116.16
  4. Step 4: Simplify right side
    11,214,019.91x = 155,108,670,392,625.84
  5. Step 5: Solve for x
    x = 155,108,670,392,625.84/11,214,019.91
  6. Step 6: Final answer
    x = 13,831,674.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.