Home / 18,076,512.40-27,141,340.65-12,708,958.30

Finding the Fourth Proportional to 18,076,512.40, 27,141,340.65 and 12,708,958.30

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Solution

The fourth proportional to 18,076,512.40, 27,141,340.65 and 12,708,958.30 is: 19,082,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076,512.40 : 27,141,340.65 = 12,708,958.30 : x
  2. Step 2: Convert to fraction form
    18,076,512.40/27,141,340.65 = 12,708,958.30/x
  3. Step 3: Cross multiply
    18,076,512.40x = 27,141,340.65 × 12,708,958.30
  4. Step 4: Simplify right side
    18,076,512.40x = 344,938,166,526,944.88
  5. Step 5: Solve for x
    x = 344,938,166,526,944.88/18,076,512.40
  6. Step 6: Final answer
    x = 19,082,119.32

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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.