Home / 13,257,615.22-18,294,904.29-7,377,540.10

Finding the Fourth Proportional to 13,257,615.22, 18,294,904.29 and 7,377,540.10

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Solution

The fourth proportional to 13,257,615.22, 18,294,904.29 and 7,377,540.10 is: 10,180,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257,615.22 : 18,294,904.29 = 7,377,540.10 : x
  2. Step 2: Convert to fraction form
    13,257,615.22/18,294,904.29 = 7,377,540.10/x
  3. Step 3: Cross multiply
    13,257,615.22x = 18,294,904.29 × 7,377,540.10
  4. Step 4: Simplify right side
    13,257,615.22x = 134,971,390,025,137.02
  5. Step 5: Solve for x
    x = 134,971,390,025,137.02/13,257,615.22
  6. Step 6: Final answer
    x = 10,180,668.83

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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.