Home / 19,043,180.28-28,523,728.24-12,861,167.77

Finding the Fourth Proportional to 19,043,180.28, 28,523,728.24 and 12,861,167.77

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Solution

The fourth proportional to 19,043,180.28, 28,523,728.24 and 12,861,167.77 is: 19,264,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,180.28 : 28,523,728.24 = 12,861,167.77 : x
  2. Step 2: Convert to fraction form
    19,043,180.28/28,523,728.24 = 12,861,167.77/x
  3. Step 3: Cross multiply
    19,043,180.28x = 28,523,728.24 × 12,861,167.77
  4. Step 4: Simplify right side
    19,043,180.28x = 366,848,454,248,729.94
  5. Step 5: Solve for x
    x = 366,848,454,248,729.94/19,043,180.28
  6. Step 6: Final answer
    x = 19,264,033.05

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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.