Home / 15,022,772.37-20,732,539.41-8,408,022.39

Finding the Fourth Proportional to 15,022,772.37, 20,732,539.41 and 8,408,022.39

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Solution

The fourth proportional to 15,022,772.37, 20,732,539.41 and 8,408,022.39 is: 11,603,694.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,022,772.37 : 20,732,539.41 = 8,408,022.39 : x
  2. Step 2: Convert to fraction form
    15,022,772.37/20,732,539.41 = 8,408,022.39/x
  3. Step 3: Cross multiply
    15,022,772.37x = 20,732,539.41 × 8,408,022.39
  4. Step 4: Simplify right side
    15,022,772.37x = 174,319,655,560,837.41
  5. Step 5: Solve for x
    x = 174,319,655,560,837.41/15,022,772.37
  6. Step 6: Final answer
    x = 11,603,694.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.