Home / 11,205,918.96-15,464,742.80-6,853,638.28

Finding the Fourth Proportional to 11,205,918.96, 15,464,742.80 and 6,853,638.28

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Solution

The fourth proportional to 11,205,918.96, 15,464,742.80 and 6,853,638.28 is: 9,458,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205,918.96 : 15,464,742.80 = 6,853,638.28 : x
  2. Step 2: Convert to fraction form
    11,205,918.96/15,464,742.80 = 6,853,638.28/x
  3. Step 3: Cross multiply
    11,205,918.96x = 15,464,742.80 × 6,853,638.28
  4. Step 4: Simplify right side
    11,205,918.96x = 105,989,753,244,434.39
  5. Step 5: Solve for x
    x = 105,989,753,244,434.39/11,205,918.96
  6. Step 6: Final answer
    x = 9,458,372.28

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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.