Home / 13,255,627.32-18,281,434.86-9,132,239.16

Finding the Fourth Proportional to 13,255,627.32, 18,281,434.86 and 9,132,239.16

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Solution

The fourth proportional to 13,255,627.32, 18,281,434.86 and 9,132,239.16 is: 12,594,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255,627.32 : 18,281,434.86 = 9,132,239.16 : x
  2. Step 2: Convert to fraction form
    13,255,627.32/18,281,434.86 = 9,132,239.16/x
  3. Step 3: Cross multiply
    13,255,627.32x = 18,281,434.86 × 9,132,239.16
  4. Step 4: Simplify right side
    13,255,627.32x = 166,950,435,329,481.12
  5. Step 5: Solve for x
    x = 166,950,435,329,481.12/13,255,627.32
  6. Step 6: Final answer
    x = 12,594,683.85

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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.