Home / 11,299,381.20-16,949,071.80-4,119,022.80

Finding the Fourth Proportional to 11,299,381.20, 16,949,071.80 and 4,119,022.80

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Solution

The fourth proportional to 11,299,381.20, 16,949,071.80 and 4,119,022.80 is: 6,178,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299,381.20 : 16,949,071.80 = 4,119,022.80 : x
  2. Step 2: Convert to fraction form
    11,299,381.20/16,949,071.80 = 4,119,022.80/x
  3. Step 3: Cross multiply
    11,299,381.20x = 16,949,071.80 × 4,119,022.80
  4. Step 4: Simplify right side
    11,299,381.20x = 69,813,613,183,037.04
  5. Step 5: Solve for x
    x = 69,813,613,183,037.04/11,299,381.20
  6. Step 6: Final answer
    x = 6,178,534.20

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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.