Home / 19,682,818.80-29,524,228.20-12,085,148.40

Finding the Fourth Proportional to 19,682,818.80, 29,524,228.20 and 12,085,148.40

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Solution

The fourth proportional to 19,682,818.80, 29,524,228.20 and 12,085,148.40 is: 18,127,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682,818.80 : 29,524,228.20 = 12,085,148.40 : x
  2. Step 2: Convert to fraction form
    19,682,818.80/29,524,228.20 = 12,085,148.40/x
  3. Step 3: Cross multiply
    19,682,818.80x = 29,524,228.20 × 12,085,148.40
  4. Step 4: Simplify right side
    19,682,818.80x = 356,804,679,192,464.88
  5. Step 5: Solve for x
    x = 356,804,679,192,464.88/19,682,818.80
  6. Step 6: Final answer
    x = 18,127,722.60

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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.