Home / 20,086,997.50-27,720,253.38-10,919,837.08

Finding the Fourth Proportional to 20,086,997.50, 27,720,253.38 and 10,919,837.08

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Solution

The fourth proportional to 20,086,997.50, 27,720,253.38 and 10,919,837.08 is: 15,069,482.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,086,997.50 : 27,720,253.38 = 10,919,837.08 : x
  2. Step 2: Convert to fraction form
    20,086,997.50/27,720,253.38 = 10,919,837.08/x
  3. Step 3: Cross multiply
    20,086,997.50x = 27,720,253.38 × 10,919,837.08
  4. Step 4: Simplify right side
    20,086,997.50x = 302,700,650,725,919.31
  5. Step 5: Solve for x
    x = 302,700,650,725,919.31/20,086,997.50
  6. Step 6: Final answer
    x = 15,069,482.17

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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.