Home / 18,128,047.20-27,223,563.60-9,624,991.20

Finding the Fourth Proportional to 18,128,047.20, 27,223,563.60 and 9,624,991.20

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Solution

The fourth proportional to 18,128,047.20, 27,223,563.60 and 9,624,991.20 is: 14,454,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128,047.20 : 27,223,563.60 = 9,624,991.20 : x
  2. Step 2: Convert to fraction form
    18,128,047.20/27,223,563.60 = 9,624,991.20/x
  3. Step 3: Cross multiply
    18,128,047.20x = 27,223,563.60 × 9,624,991.20
  4. Step 4: Simplify right side
    18,128,047.20x = 262,026,560,082,640.31
  5. Step 5: Solve for x
    x = 262,026,560,082,640.31/18,128,047.20
  6. Step 6: Final answer
    x = 14,454,207.74

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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.