Home / 13,532,087.20-18,673,125.60-7,651,433.20

Finding the Fourth Proportional to 13,532,087.20, 18,673,125.60 and 7,651,433.20

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Solution

The fourth proportional to 13,532,087.20, 18,673,125.60 and 7,651,433.20 is: 10,558,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532,087.20 : 18,673,125.60 = 7,651,433.20 : x
  2. Step 2: Convert to fraction form
    13,532,087.20/18,673,125.60 = 7,651,433.20/x
  3. Step 3: Cross multiply
    13,532,087.20x = 18,673,125.60 × 7,651,433.20
  4. Step 4: Simplify right side
    13,532,087.20x = 142,876,173,163,609.94
  5. Step 5: Solve for x
    x = 142,876,173,163,609.94/13,532,087.20
  6. Step 6: Final answer
    x = 10,558,324.89

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1.5x scale

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.