Home / 30,397,682.81-45,601,248.02-10,207,648.73

Finding the Fourth Proportional to 30,397,682.81, 45,601,248.02 and 10,207,648.73

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Solution

The fourth proportional to 30,397,682.81, 45,601,248.02 and 10,207,648.73 is: 15,313,059.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,397,682.81 : 45,601,248.02 = 10,207,648.73 : x
  2. Step 2: Convert to fraction form
    30,397,682.81/45,601,248.02 = 10,207,648.73/x
  3. Step 3: Cross multiply
    30,397,682.81x = 45,601,248.02 × 10,207,648.73
  4. Step 4: Simplify right side
    30,397,682.81x = 465,481,521,500,732.88
  5. Step 5: Solve for x
    x = 465,481,521,500,732.88/30,397,682.81
  6. Step 6: Final answer
    x = 15,313,059.37

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1.5x scale

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.