Home / 22,221,760.40-30,667,220.04-12,431,620.56

Finding the Fourth Proportional to 22,221,760.40, 30,667,220.04 and 12,431,620.56

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Solution

The fourth proportional to 22,221,760.40, 30,667,220.04 and 12,431,620.56 is: 17,156,302.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221,760.40 : 30,667,220.04 = 12,431,620.56 : x
  2. Step 2: Convert to fraction form
    22,221,760.40/30,667,220.04 = 12,431,620.56/x
  3. Step 3: Cross multiply
    22,221,760.40x = 30,667,220.04 × 12,431,620.56
  4. Step 4: Simplify right side
    22,221,760.40x = 381,243,243,167,308
  5. Step 5: Solve for x
    x = 381,243,243,167,308/22,221,760.40
  6. Step 6: Final answer
    x = 17,156,302.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.