Home / 8,767,806.40-13,151,709.60-6,642,042.40

Finding the Fourth Proportional to 8,767,806.40, 13,151,709.60 and 6,642,042.40

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Solution

The fourth proportional to 8,767,806.40, 13,151,709.60 and 6,642,042.40 is: 9,963,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767,806.40 : 13,151,709.60 = 6,642,042.40 : x
  2. Step 2: Convert to fraction form
    8,767,806.40/13,151,709.60 = 6,642,042.40/x
  3. Step 3: Cross multiply
    8,767,806.40x = 13,151,709.60 × 6,642,042.40
  4. Step 4: Simplify right side
    8,767,806.40x = 87,354,212,795,687.05
  5. Step 5: Solve for x
    x = 87,354,212,795,687.05/8,767,806.40
  6. Step 6: Final answer
    x = 9,963,063.60

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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.