Home / 11,191,813.80-16,787,720.70-5,510,862.60

Finding the Fourth Proportional to 11,191,813.80, 16,787,720.70 and 5,510,862.60

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Solution

The fourth proportional to 11,191,813.80, 16,787,720.70 and 5,510,862.60 is: 8,266,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191,813.80 : 16,787,720.70 = 5,510,862.60 : x
  2. Step 2: Convert to fraction form
    11,191,813.80/16,787,720.70 = 5,510,862.60/x
  3. Step 3: Cross multiply
    11,191,813.80x = 16,787,720.70 × 5,510,862.60
  4. Step 4: Simplify right side
    11,191,813.80x = 92,514,822,144,875.81
  5. Step 5: Solve for x
    x = 92,514,822,144,875.81/11,191,813.80
  6. Step 6: Final answer
    x = 8,266,293.90

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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.