Home / 11,205,611.20-16,808,416.80-9,611,288.20

Finding the Fourth Proportional to 11,205,611.20, 16,808,416.80 and 9,611,288.20

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Solution

The fourth proportional to 11,205,611.20, 16,808,416.80 and 9,611,288.20 is: 14,416,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205,611.20 : 16,808,416.80 = 9,611,288.20 : x
  2. Step 2: Convert to fraction form
    11,205,611.20/16,808,416.80 = 9,611,288.20/x
  3. Step 3: Cross multiply
    11,205,611.20x = 16,808,416.80 × 9,611,288.20
  4. Step 4: Simplify right side
    11,205,611.20x = 161,550,538,050,521.75
  5. Step 5: Solve for x
    x = 161,550,538,050,521.75/11,205,611.20
  6. Step 6: Final answer
    x = 14,416,932.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.