Home / 21,553,876.20-32,330,814.30-19,215,535.80

Finding the Fourth Proportional to 21,553,876.20, 32,330,814.30 and 19,215,535.80

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Solution

The fourth proportional to 21,553,876.20, 32,330,814.30 and 19,215,535.80 is: 28,823,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553,876.20 : 32,330,814.30 = 19,215,535.80 : x
  2. Step 2: Convert to fraction form
    21,553,876.20/32,330,814.30 = 19,215,535.80/x
  3. Step 3: Cross multiply
    21,553,876.20x = 32,330,814.30 × 19,215,535.80
  4. Step 4: Simplify right side
    21,553,876.20x = 621,253,919,624,802
  5. Step 5: Solve for x
    x = 621,253,919,624,802/21,553,876.20
  6. Step 6: Final answer
    x = 28,823,303.70

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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.