Home / 19,782,002.20-29,649,383.70-10,192,444.60

Finding the Fourth Proportional to 19,782,002.20, 29,649,383.70 and 10,192,444.60

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Solution

The fourth proportional to 19,782,002.20, 29,649,383.70 and 10,192,444.60 is: 15,276,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782,002.20 : 29,649,383.70 = 10,192,444.60 : x
  2. Step 2: Convert to fraction form
    19,782,002.20/29,649,383.70 = 10,192,444.60/x
  3. Step 3: Cross multiply
    19,782,002.20x = 29,649,383.70 × 10,192,444.60
  4. Step 4: Simplify right side
    19,782,002.20x = 302,199,700,786,393
  5. Step 5: Solve for x
    x = 302,199,700,786,393/19,782,002.20
  6. Step 6: Final answer
    x = 15,276,497.18

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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.