Home / 8,317,813.80-12,476,720.70-7,770,383.40

Finding the Fourth Proportional to 8,317,813.80, 12,476,720.70 and 7,770,383.40

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Solution

The fourth proportional to 8,317,813.80, 12,476,720.70 and 7,770,383.40 is: 11,655,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,813.80 : 12,476,720.70 = 7,770,383.40 : x
  2. Step 2: Convert to fraction form
    8,317,813.80/12,476,720.70 = 7,770,383.40/x
  3. Step 3: Cross multiply
    8,317,813.80x = 12,476,720.70 × 7,770,383.40
  4. Step 4: Simplify right side
    8,317,813.80x = 96,948,903,413,716.38
  5. Step 5: Solve for x
    x = 96,948,903,413,716.38/8,317,813.80
  6. Step 6: Final answer
    x = 11,655,575.10

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1.5x scale

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.