Home / 13,308,536.40-19,962,804.60-8,764,715.85

Finding the Fourth Proportional to 13,308,536.40, 19,962,804.60 and 8,764,715.85

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Solution

The fourth proportional to 13,308,536.40, 19,962,804.60 and 8,764,715.85 is: 13,147,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,536.40 : 19,962,804.60 = 8,764,715.85 : x
  2. Step 2: Convert to fraction form
    13,308,536.40/19,962,804.60 = 8,764,715.85/x
  3. Step 3: Cross multiply
    13,308,536.40x = 19,962,804.60 × 8,764,715.85
  4. Step 4: Simplify right side
    13,308,536.40x = 174,968,309,888,072.91
  5. Step 5: Solve for x
    x = 174,968,309,888,072.91/13,308,536.40
  6. Step 6: Final answer
    x = 13,147,073.78

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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.