Home / 19,490,956.39-29,265,175.95-10,871,896.78

Finding the Fourth Proportional to 19,490,956.39, 29,265,175.95 and 10,871,896.78

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Solution

The fourth proportional to 19,490,956.39, 29,265,175.95 and 10,871,896.78 is: 16,323,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490,956.39 : 29,265,175.95 = 10,871,896.78 : x
  2. Step 2: Convert to fraction form
    19,490,956.39/29,265,175.95 = 10,871,896.78/x
  3. Step 3: Cross multiply
    19,490,956.39x = 29,265,175.95 × 10,871,896.78
  4. Step 4: Simplify right side
    19,490,956.39x = 318,167,972,176,938.44
  5. Step 5: Solve for x
    x = 318,167,972,176,938.44/19,490,956.39
  6. Step 6: Final answer
    x = 16,323,876.87

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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.