Home / 19,107,064.20-28,660,596.30-12,729,772.20

Finding the Fourth Proportional to 19,107,064.20, 28,660,596.30 and 12,729,772.20

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Solution

The fourth proportional to 19,107,064.20, 28,660,596.30 and 12,729,772.20 is: 19,094,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107,064.20 : 28,660,596.30 = 12,729,772.20 : x
  2. Step 2: Convert to fraction form
    19,107,064.20/28,660,596.30 = 12,729,772.20/x
  3. Step 3: Cross multiply
    19,107,064.20x = 28,660,596.30 × 12,729,772.20
  4. Step 4: Simplify right side
    19,107,064.20x = 364,842,862,015,162.88
  5. Step 5: Solve for x
    x = 364,842,862,015,162.88/19,107,064.20
  6. Step 6: Final answer
    x = 19,094,658.30

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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.