Home / 8,768,904.20-13,140,914.70-6,476,539.40

Finding the Fourth Proportional to 8,768,904.20, 13,140,914.70 and 6,476,539.40

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Solution

The fourth proportional to 8,768,904.20, 13,140,914.70 and 6,476,539.40 is: 9,705,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,904.20 : 13,140,914.70 = 6,476,539.40 : x
  2. Step 2: Convert to fraction form
    8,768,904.20/13,140,914.70 = 6,476,539.40/x
  3. Step 3: Cross multiply
    8,768,904.20x = 13,140,914.70 × 6,476,539.40
  4. Step 4: Simplify right side
    8,768,904.20x = 85,107,651,806,589.19
  5. Step 5: Solve for x
    x = 85,107,651,806,589.19/8,768,904.20
  6. Step 6: Final answer
    x = 9,705,619.98

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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.