Home / 8,743,784.70-13,115,677.05-7,822,620.30

Finding the Fourth Proportional to 8,743,784.70, 13,115,677.05 and 7,822,620.30

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Solution

The fourth proportional to 8,743,784.70, 13,115,677.05 and 7,822,620.30 is: 11,733,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743,784.70 : 13,115,677.05 = 7,822,620.30 : x
  2. Step 2: Convert to fraction form
    8,743,784.70/13,115,677.05 = 7,822,620.30/x
  3. Step 3: Cross multiply
    8,743,784.70x = 13,115,677.05 × 7,822,620.30
  4. Step 4: Simplify right side
    8,743,784.70x = 102,598,961,539,574.12
  5. Step 5: Solve for x
    x = 102,598,961,539,574.12/8,743,784.70
  6. Step 6: Final answer
    x = 11,733,930.45

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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.