Home / 13,122,836.55-19,684,254.83-12,325,018.95

Finding the Fourth Proportional to 13,122,836.55, 19,684,254.83 and 12,325,018.95

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Solution

The fourth proportional to 13,122,836.55, 19,684,254.83 and 12,325,018.95 is: 18,487,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,836.55 : 19,684,254.83 = 12,325,018.95 : x
  2. Step 2: Convert to fraction form
    13,122,836.55/19,684,254.83 = 12,325,018.95/x
  3. Step 3: Cross multiply
    13,122,836.55x = 19,684,254.83 × 12,325,018.95
  4. Step 4: Simplify right side
    13,122,836.55x = 242,608,813,734,753.91
  5. Step 5: Solve for x
    x = 242,608,813,734,753.91/13,122,836.55
  6. Step 6: Final answer
    x = 18,487,528.43

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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.