Home / 11,325,185.12-15,624,115.44-6,429,346.40

Finding the Fourth Proportional to 11,325,185.12, 15,624,115.44 and 6,429,346.40

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Solution

The fourth proportional to 11,325,185.12, 15,624,115.44 and 6,429,346.40 is: 8,869,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325,185.12 : 15,624,115.44 = 6,429,346.40 : x
  2. Step 2: Convert to fraction form
    11,325,185.12/15,624,115.44 = 6,429,346.40/x
  3. Step 3: Cross multiply
    11,325,185.12x = 15,624,115.44 × 6,429,346.40
  4. Step 4: Simplify right side
    11,325,185.12x = 100,452,850,357,348.42
  5. Step 5: Solve for x
    x = 100,452,850,357,348.42/11,325,185.12
  6. Step 6: Final answer
    x = 8,869,863.87

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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.