Home / 8,782,721.64-13,172,750.82-2,393,483.76

Finding the Fourth Proportional to 8,782,721.64, 13,172,750.82 and 2,393,483.76

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Solution

The fourth proportional to 8,782,721.64, 13,172,750.82 and 2,393,483.76 is: 3,589,862.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782,721.64 : 13,172,750.82 = 2,393,483.76 : x
  2. Step 2: Convert to fraction form
    8,782,721.64/13,172,750.82 = 2,393,483.76/x
  3. Step 3: Cross multiply
    8,782,721.64x = 13,172,750.82 × 2,393,483.76
  4. Step 4: Simplify right side
    8,782,721.64x = 31,528,765,162,196.68
  5. Step 5: Solve for x
    x = 31,528,765,162,196.68/8,782,721.64
  6. Step 6: Final answer
    x = 3,589,862.74

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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.