Home / 12,556,598.86-18,825,318.18-5,728,396.80

Finding the Fourth Proportional to 12,556,598.86, 18,825,318.18 and 5,728,396.80

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Solution

The fourth proportional to 12,556,598.86, 18,825,318.18 and 5,728,396.80 is: 8,588,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556,598.86 : 18,825,318.18 = 5,728,396.80 : x
  2. Step 2: Convert to fraction form
    12,556,598.86/18,825,318.18 = 5,728,396.80/x
  3. Step 3: Cross multiply
    12,556,598.86x = 18,825,318.18 × 5,728,396.80
  4. Step 4: Simplify right side
    12,556,598.86x = 107,838,892,421,293.81
  5. Step 5: Solve for x
    x = 107,838,892,421,293.81/12,556,598.86
  6. Step 6: Final answer
    x = 8,588,224.70

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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.