Home / 13,313,976.60-18,373,225.50-7,202,351.64

Finding the Fourth Proportional to 13,313,976.60, 18,373,225.50 and 7,202,351.64

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Solution

The fourth proportional to 13,313,976.60, 18,373,225.50 and 7,202,351.64 is: 9,939,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313,976.60 : 18,373,225.50 = 7,202,351.64 : x
  2. Step 2: Convert to fraction form
    13,313,976.60/18,373,225.50 = 7,202,351.64/x
  3. Step 3: Cross multiply
    13,313,976.60x = 18,373,225.50 × 7,202,351.64
  4. Step 4: Simplify right side
    13,313,976.60x = 132,330,430,812,014.81
  5. Step 5: Solve for x
    x = 132,330,430,812,014.81/13,313,976.60
  6. Step 6: Final answer
    x = 9,939,211.61

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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.