Home / 14,000,998.80-21,001,498.20-3,903,619.80

Finding the Fourth Proportional to 14,000,998.80, 21,001,498.20 and 3,903,619.80

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Solution

The fourth proportional to 14,000,998.80, 21,001,498.20 and 3,903,619.80 is: 5,855,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000,998.80 : 21,001,498.20 = 3,903,619.80 : x
  2. Step 2: Convert to fraction form
    14,000,998.80/21,001,498.20 = 3,903,619.80/x
  3. Step 3: Cross multiply
    14,000,998.80x = 21,001,498.20 × 3,903,619.80
  4. Step 4: Simplify right side
    14,000,998.80x = 81,981,864,203,184.36
  5. Step 5: Solve for x
    x = 81,981,864,203,184.36/14,000,998.80
  6. Step 6: Final answer
    x = 5,855,429.70

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Similar ratio
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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.