Home / 8,707,321.60-13,057,564.80-3,313,107.20

Finding the Fourth Proportional to 8,707,321.60, 13,057,564.80 and 3,313,107.20

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Solution

The fourth proportional to 8,707,321.60, 13,057,564.80 and 3,313,107.20 is: 4,968,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707,321.60 : 13,057,564.80 = 3,313,107.20 : x
  2. Step 2: Convert to fraction form
    8,707,321.60/13,057,564.80 = 3,313,107.20/x
  3. Step 3: Cross multiply
    8,707,321.60x = 13,057,564.80 × 3,313,107.20
  4. Step 4: Simplify right side
    8,707,321.60x = 43,261,111,953,346.56
  5. Step 5: Solve for x
    x = 43,261,111,953,346.56/8,707,321.60
  6. Step 6: Final answer
    x = 4,968,360.41

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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.