Home / 18,144,417.80-27,216,626.70-18,018,446.60

Finding the Fourth Proportional to 18,144,417.80, 27,216,626.70 and 18,018,446.60

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Solution

The fourth proportional to 18,144,417.80, 27,216,626.70 and 18,018,446.60 is: 27,027,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,417.80 : 27,216,626.70 = 18,018,446.60 : x
  2. Step 2: Convert to fraction form
    18,144,417.80/27,216,626.70 = 18,018,446.60/x
  3. Step 3: Cross multiply
    18,144,417.80x = 27,216,626.70 × 18,018,446.60
  4. Step 4: Simplify right side
    18,144,417.80x = 490,401,334,826,084.25
  5. Step 5: Solve for x
    x = 490,401,334,826,084.25/18,144,417.80
  6. Step 6: Final answer
    x = 27,027,669.90

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1.5x scale

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.