Home / 13,475,467.20-20,214,075.60-7,098,175.20

Finding the Fourth Proportional to 13,475,467.20, 20,214,075.60 and 7,098,175.20

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Solution

The fourth proportional to 13,475,467.20, 20,214,075.60 and 7,098,175.20 is: 10,647,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,467.20 : 20,214,075.60 = 7,098,175.20 : x
  2. Step 2: Convert to fraction form
    13,475,467.20/20,214,075.60 = 7,098,175.20/x
  3. Step 3: Cross multiply
    13,475,467.20x = 20,214,075.60 × 7,098,175.20
  4. Step 4: Simplify right side
    13,475,467.20x = 143,483,050,114,845.12
  5. Step 5: Solve for x
    x = 143,483,050,114,845.12/13,475,467.20
  6. Step 6: Final answer
    x = 10,647,723.60

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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.