Home / 20,199,814.30-30,303,658.05-8,685,259.30

Finding the Fourth Proportional to 20,199,814.30, 30,303,658.05 and 8,685,259.30

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Solution

The fourth proportional to 20,199,814.30, 30,303,658.05 and 8,685,259.30 is: 13,029,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,814.30 : 30,303,658.05 = 8,685,259.30 : x
  2. Step 2: Convert to fraction form
    20,199,814.30/30,303,658.05 = 8,685,259.30/x
  3. Step 3: Cross multiply
    20,199,814.30x = 30,303,658.05 × 8,685,259.30
  4. Step 4: Simplify right side
    20,199,814.30x = 263,195,127,902,782.41
  5. Step 5: Solve for x
    x = 263,195,127,902,782.41/20,199,814.30
  6. Step 6: Final answer
    x = 13,029,581.56

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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.