Home / 19,811,200.20-29,716,800.30-17,472,859.80

Finding the Fourth Proportional to 19,811,200.20, 29,716,800.30 and 17,472,859.80

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Solution

The fourth proportional to 19,811,200.20, 29,716,800.30 and 17,472,859.80 is: 26,209,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811,200.20 : 29,716,800.30 = 17,472,859.80 : x
  2. Step 2: Convert to fraction form
    19,811,200.20/29,716,800.30 = 17,472,859.80/x
  3. Step 3: Cross multiply
    19,811,200.20x = 29,716,800.30 × 17,472,859.80
  4. Step 4: Simplify right side
    19,811,200.20x = 519,237,485,346,498
  5. Step 5: Solve for x
    x = 519,237,485,346,498/19,811,200.20
  6. Step 6: Final answer
    x = 26,209,289.70

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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.