Home / 13,235,812.85-18,265,865.25-7,355,694.81

Finding the Fourth Proportional to 13,235,812.85, 18,265,865.25 and 7,355,694.81

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Solution

The fourth proportional to 13,235,812.85, 18,265,865.25 and 7,355,694.81 is: 10,151,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235,812.85 : 18,265,865.25 = 7,355,694.81 : x
  2. Step 2: Convert to fraction form
    13,235,812.85/18,265,865.25 = 7,355,694.81/x
  3. Step 3: Cross multiply
    13,235,812.85x = 18,265,865.25 × 7,355,694.81
  4. Step 4: Simplify right side
    13,235,812.85x = 134,358,130,219,584.34
  5. Step 5: Solve for x
    x = 134,358,130,219,584.34/13,235,812.85
  6. Step 6: Final answer
    x = 10,151,105.32

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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.