Home / 10,295,393.31-15,443,200.13-3,106,991.61

Finding the Fourth Proportional to 10,295,393.31, 15,443,200.13 and 3,106,991.61

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Solution

The fourth proportional to 10,295,393.31, 15,443,200.13 and 3,106,991.61 is: 4,660,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295,393.31 : 15,443,200.13 = 3,106,991.61 : x
  2. Step 2: Convert to fraction form
    10,295,393.31/15,443,200.13 = 3,106,991.61/x
  3. Step 3: Cross multiply
    10,295,393.31x = 15,443,200.13 × 3,106,991.61
  4. Step 4: Simplify right side
    10,295,393.31x = 47,981,893,219,925.95
  5. Step 5: Solve for x
    x = 47,981,893,219,925.95/10,295,393.31
  6. Step 6: Final answer
    x = 4,660,520.66

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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.