Home / 13,308,537.40-19,962,806.10-8,764,716.85

Finding the Fourth Proportional to 13,308,537.40, 19,962,806.10 and 8,764,716.85

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Solution

The fourth proportional to 13,308,537.40, 19,962,806.10 and 8,764,716.85 is: 13,147,075.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,537.40 : 19,962,806.10 = 8,764,716.85 : x
  2. Step 2: Convert to fraction form
    13,308,537.40/19,962,806.10 = 8,764,716.85/x
  3. Step 3: Cross multiply
    13,308,537.40x = 19,962,806.10 × 8,764,716.85
  4. Step 4: Simplify right side
    13,308,537.40x = 174,968,342,997,952.78
  5. Step 5: Solve for x
    x = 174,968,342,997,952.78/13,308,537.40
  6. Step 6: Final answer
    x = 13,147,075.28

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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.