Home / 13,423,864.48-20,124,649.20-5,331,847.84

Finding the Fourth Proportional to 13,423,864.48, 20,124,649.20 and 5,331,847.84

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Solution

The fourth proportional to 13,423,864.48, 20,124,649.20 and 5,331,847.84 is: 7,993,344.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423,864.48 : 20,124,649.20 = 5,331,847.84 : x
  2. Step 2: Convert to fraction form
    13,423,864.48/20,124,649.20 = 5,331,847.84/x
  3. Step 3: Cross multiply
    13,423,864.48x = 20,124,649.20 × 5,331,847.84
  4. Step 4: Simplify right side
    13,423,864.48x = 107,301,567,367,777.72
  5. Step 5: Solve for x
    x = 107,301,567,367,777.72/13,423,864.48
  6. Step 6: Final answer
    x = 7,993,344.06

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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.