Home / 13,286,826.94-18,335,820.90-7,175,254.90

Finding the Fourth Proportional to 13,286,826.94, 18,335,820.90 and 7,175,254.90

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Solution

The fourth proportional to 13,286,826.94, 18,335,820.90 and 7,175,254.90 is: 9,901,851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,826.94 : 18,335,820.90 = 7,175,254.90 : x
  2. Step 2: Convert to fraction form
    13,286,826.94/18,335,820.90 = 7,175,254.90/x
  3. Step 3: Cross multiply
    13,286,826.94x = 18,335,820.90 × 7,175,254.90
  4. Step 4: Simplify right side
    13,286,826.94x = 131,564,188,758,247.41
  5. Step 5: Solve for x
    x = 131,564,188,758,247.41/13,286,826.94
  6. Step 6: Final answer
    x = 9,901,851.61

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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.