Home / 13,313,991.60-18,373,246.20-7,202,366.64

Finding the Fourth Proportional to 13,313,991.60, 18,373,246.20 and 7,202,366.64

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Solution

The fourth proportional to 13,313,991.60, 18,373,246.20 and 7,202,366.64 is: 9,939,232.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313,991.60 : 18,373,246.20 = 7,202,366.64 : x
  2. Step 2: Convert to fraction form
    13,313,991.60/18,373,246.20 = 7,202,366.64/x
  3. Step 3: Cross multiply
    13,313,991.60x = 18,373,246.20 × 7,202,366.64
  4. Step 4: Simplify right side
    13,313,991.60x = 132,330,855,499,386.75
  5. Step 5: Solve for x
    x = 132,330,855,499,386.75/13,313,991.60
  6. Step 6: Final answer
    x = 9,939,232.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.