Home / 13,200,293.16-18,217,246.41-7,399,076.40

Finding the Fourth Proportional to 13,200,293.16, 18,217,246.41 and 7,399,076.40

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Solution

The fourth proportional to 13,200,293.16, 18,217,246.41 and 7,399,076.40 is: 10,211,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200,293.16 : 18,217,246.41 = 7,399,076.40 : x
  2. Step 2: Convert to fraction form
    13,200,293.16/18,217,246.41 = 7,399,076.40/x
  3. Step 3: Cross multiply
    13,200,293.16x = 18,217,246.41 × 7,399,076.40
  4. Step 4: Simplify right side
    13,200,293.16x = 134,790,797,985,215.73
  5. Step 5: Solve for x
    x = 134,790,797,985,215.73/13,200,293.16
  6. Step 6: Final answer
    x = 10,211,197.31

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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.