Home / 19,685,221.20-29,527,831.80-13,626,793.80

Finding the Fourth Proportional to 19,685,221.20, 29,527,831.80 and 13,626,793.80

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Solution

The fourth proportional to 19,685,221.20, 29,527,831.80 and 13,626,793.80 is: 20,440,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685,221.20 : 29,527,831.80 = 13,626,793.80 : x
  2. Step 2: Convert to fraction form
    19,685,221.20/29,527,831.80 = 13,626,793.80/x
  3. Step 3: Cross multiply
    19,685,221.20x = 29,527,831.80 × 13,626,793.80
  4. Step 4: Simplify right side
    19,685,221.20x = 402,369,675,299,682.88
  5. Step 5: Solve for x
    x = 402,369,675,299,682.88/19,685,221.20
  6. Step 6: Final answer
    x = 20,440,190.70

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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.