Home / 18,314,980.20-27,503,963.10-12,961,204.20

Finding the Fourth Proportional to 18,314,980.20, 27,503,963.10 and 12,961,204.20

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Solution

The fourth proportional to 18,314,980.20, 27,503,963.10 and 12,961,204.20 is: 19,464,093.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314,980.20 : 27,503,963.10 = 12,961,204.20 : x
  2. Step 2: Convert to fraction form
    18,314,980.20/27,503,963.10 = 12,961,204.20/x
  3. Step 3: Cross multiply
    18,314,980.20x = 27,503,963.10 × 12,961,204.20
  4. Step 4: Simplify right side
    18,314,980.20x = 356,484,482,048,365
  5. Step 5: Solve for x
    x = 356,484,482,048,365/18,314,980.20
  6. Step 6: Final answer
    x = 19,464,093.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.