Home / 19,640,422.50-27,105,902.42-10,820,775.02

Finding the Fourth Proportional to 19,640,422.50, 27,105,902.42 and 10,820,775.02

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Solution

The fourth proportional to 19,640,422.50, 27,105,902.42 and 10,820,775.02 is: 14,933,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640,422.50 : 27,105,902.42 = 10,820,775.02 : x
  2. Step 2: Convert to fraction form
    19,640,422.50/27,105,902.42 = 10,820,775.02/x
  3. Step 3: Cross multiply
    19,640,422.50x = 27,105,902.42 × 10,820,775.02
  4. Step 4: Simplify right side
    19,640,422.50x = 293,306,871,800,893.56
  5. Step 5: Solve for x
    x = 293,306,871,800,893.56/19,640,422.50
  6. Step 6: Final answer
    x = 14,933,837.18

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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.