Home / 11,030,579.67-15,215,983.32-6,619,164.15

Finding the Fourth Proportional to 11,030,579.67, 15,215,983.32 and 6,619,164.15

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Solution

The fourth proportional to 11,030,579.67, 15,215,983.32 and 6,619,164.15 is: 9,130,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030,579.67 : 15,215,983.32 = 6,619,164.15 : x
  2. Step 2: Convert to fraction form
    11,030,579.67/15,215,983.32 = 6,619,164.15/x
  3. Step 3: Cross multiply
    11,030,579.67x = 15,215,983.32 × 6,619,164.15
  4. Step 4: Simplify right side
    11,030,579.67x = 100,717,091,298,741.98
  5. Step 5: Solve for x
    x = 100,717,091,298,741.98/11,030,579.67
  6. Step 6: Final answer
    x = 9,130,716.09

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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.