Home / 18,042,994.20-27,064,491.30-12,303,431.40

Finding the Fourth Proportional to 18,042,994.20, 27,064,491.30 and 12,303,431.40

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Solution

The fourth proportional to 18,042,994.20, 27,064,491.30 and 12,303,431.40 is: 18,455,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042,994.20 : 27,064,491.30 = 12,303,431.40 : x
  2. Step 2: Convert to fraction form
    18,042,994.20/27,064,491.30 = 12,303,431.40/x
  3. Step 3: Cross multiply
    18,042,994.20x = 27,064,491.30 × 12,303,431.40
  4. Step 4: Simplify right side
    18,042,994.20x = 332,986,112,085,446.81
  5. Step 5: Solve for x
    x = 332,986,112,085,446.81/18,042,994.20
  6. Step 6: Final answer
    x = 18,455,147.10

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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.