Home / 8,190,799.40-12,303,913.80-5,799,314.90

Finding the Fourth Proportional to 8,190,799.40, 12,303,913.80 and 5,799,314.90

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Solution

The fourth proportional to 8,190,799.40, 12,303,913.80 and 5,799,314.90 is: 8,711,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,799.40 : 12,303,913.80 = 5,799,314.90 : x
  2. Step 2: Convert to fraction form
    8,190,799.40/12,303,913.80 = 5,799,314.90/x
  3. Step 3: Cross multiply
    8,190,799.40x = 12,303,913.80 × 5,799,314.90
  4. Step 4: Simplify right side
    8,190,799.40x = 71,354,270,628,655.62
  5. Step 5: Solve for x
    x = 71,354,270,628,655.62/8,190,799.40
  6. Step 6: Final answer
    x = 8,711,514.85

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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.