Home / 13,099,257.19-18,076,551.18-7,518,422.39

Finding the Fourth Proportional to 13,099,257.19, 18,076,551.18 and 7,518,422.39

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Solution

The fourth proportional to 13,099,257.19, 18,076,551.18 and 7,518,422.39 is: 10,375,179.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099,257.19 : 18,076,551.18 = 7,518,422.39 : x
  2. Step 2: Convert to fraction form
    13,099,257.19/18,076,551.18 = 7,518,422.39/x
  3. Step 3: Cross multiply
    13,099,257.19x = 18,076,551.18 × 7,518,422.39
  4. Step 4: Simplify right side
    13,099,257.19x = 135,907,147,125,692.91
  5. Step 5: Solve for x
    x = 135,907,147,125,692.91/13,099,257.19
  6. Step 6: Final answer
    x = 10,375,179.69

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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.