Home / 7,858,808.10-11,788,212.15-7,486,799.40

Finding the Fourth Proportional to 7,858,808.10, 11,788,212.15 and 7,486,799.40

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Solution

The fourth proportional to 7,858,808.10, 11,788,212.15 and 7,486,799.40 is: 11,230,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858,808.10 : 11,788,212.15 = 7,486,799.40 : x
  2. Step 2: Convert to fraction form
    7,858,808.10/11,788,212.15 = 7,486,799.40/x
  3. Step 3: Cross multiply
    7,858,808.10x = 11,788,212.15 × 7,486,799.40
  4. Step 4: Simplify right side
    7,858,808.10x = 88,255,979,651,692.72
  5. Step 5: Solve for x
    x = 88,255,979,651,692.72/7,858,808.10
  6. Step 6: Final answer
    x = 11,230,199.10

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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.