Home / 13,235,884.80-18,265,964.40-7,355,766.72

Finding the Fourth Proportional to 13,235,884.80, 18,265,964.40 and 7,355,766.72

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Solution

The fourth proportional to 13,235,884.80, 18,265,964.40 and 7,355,766.72 is: 10,151,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235,884.80 : 18,265,964.40 = 7,355,766.72 : x
  2. Step 2: Convert to fraction form
    13,235,884.80/18,265,964.40 = 7,355,766.72/x
  3. Step 3: Cross multiply
    13,235,884.80x = 18,265,964.40 × 7,355,766.72
  4. Step 4: Simplify right side
    13,235,884.80x = 134,360,173,042,224.75
  5. Step 5: Solve for x
    x = 134,360,173,042,224.75/13,235,884.80
  6. Step 6: Final answer
    x = 10,151,204.48

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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.