Home / 12,496,782.20-18,741,499.14-5,308,259

Finding the Fourth Proportional to 12,496,782.20, 18,741,499.14 and 5,308,259

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Solution

The fourth proportional to 12,496,782.20, 18,741,499.14 and 5,308,259 is: 7,960,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496,782.20 : 18,741,499.14 = 5,308,259 : x
  2. Step 2: Convert to fraction form
    12,496,782.20/18,741,499.14 = 5,308,259/x
  3. Step 3: Cross multiply
    12,496,782.20x = 18,741,499.14 × 5,308,259
  4. Step 4: Simplify right side
    12,496,782.20x = 99,484,731,483,397.27
  5. Step 5: Solve for x
    x = 99,484,731,483,397.27/12,496,782.20
  6. Step 6: Final answer
    x = 7,960,827.83

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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.