Home / 11,821,123.20-17,731,684.80-4,248,854.40

Finding the Fourth Proportional to 11,821,123.20, 17,731,684.80 and 4,248,854.40

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Solution

The fourth proportional to 11,821,123.20, 17,731,684.80 and 4,248,854.40 is: 6,373,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821,123.20 : 17,731,684.80 = 4,248,854.40 : x
  2. Step 2: Convert to fraction form
    11,821,123.20/17,731,684.80 = 4,248,854.40/x
  3. Step 3: Cross multiply
    11,821,123.20x = 17,731,684.80 × 4,248,854.40
  4. Step 4: Simplify right side
    11,821,123.20x = 75,339,346,981,893.12
  5. Step 5: Solve for x
    x = 75,339,346,981,893.12/11,821,123.20
  6. Step 6: Final answer
    x = 6,373,281.60

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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.