Home / 14,518,697.91-20,031,289.96-8,238,186.30

Finding the Fourth Proportional to 14,518,697.91, 20,031,289.96 and 8,238,186.30

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Solution

The fourth proportional to 14,518,697.91, 20,031,289.96 and 8,238,186.30 is: 11,366,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518,697.91 : 20,031,289.96 = 8,238,186.30 : x
  2. Step 2: Convert to fraction form
    14,518,697.91/20,031,289.96 = 8,238,186.30/x
  3. Step 3: Cross multiply
    14,518,697.91x = 20,031,289.96 × 8,238,186.30
  4. Step 4: Simplify right side
    14,518,697.91x = 165,021,498,519,799.56
  5. Step 5: Solve for x
    x = 165,021,498,519,799.56/14,518,697.91
  6. Step 6: Final answer
    x = 11,366,136.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.