Home / 11,971,563-16,520,758.79-6,539,055

Finding the Fourth Proportional to 11,971,563, 16,520,758.79 and 6,539,055

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Solution

The fourth proportional to 11,971,563, 16,520,758.79 and 6,539,055 is: 9,023,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971,563 : 16,520,758.79 = 6,539,055 : x
  2. Step 2: Convert to fraction form
    11,971,563/16,520,758.79 = 6,539,055/x
  3. Step 3: Cross multiply
    11,971,563x = 16,520,758.79 × 6,539,055
  4. Step 4: Simplify right side
    11,971,563x = 108,030,150,336,848.17
  5. Step 5: Solve for x
    x = 108,030,150,336,848.17/11,971,563
  6. Step 6: Final answer
    x = 9,023,896.91

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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.