Home / 18,144,908.40-27,217,362.78-12,476,204.40

Finding the Fourth Proportional to 18,144,908.40, 27,217,362.78 and 12,476,204.40

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Solution

The fourth proportional to 18,144,908.40, 27,217,362.78 and 12,476,204.40 is: 18,714,306.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,908.40 : 27,217,362.78 = 12,476,204.40 : x
  2. Step 2: Convert to fraction form
    18,144,908.40/27,217,362.78 = 12,476,204.40/x
  3. Step 3: Cross multiply
    18,144,908.40x = 27,217,362.78 × 12,476,204.40
  4. Step 4: Simplify right side
    18,144,908.40x = 339,569,381,272,232.25
  5. Step 5: Solve for x
    x = 339,569,381,272,232.25/18,144,908.40
  6. Step 6: Final answer
    x = 18,714,306.72

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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.