Home / 13,885,026.88-20,826,931.20-3,787,614.40

Finding the Fourth Proportional to 13,885,026.88, 20,826,931.20 and 3,787,614.40

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Solution

The fourth proportional to 13,885,026.88, 20,826,931.20 and 3,787,614.40 is: 5,681,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885,026.88 : 20,826,931.20 = 3,787,614.40 : x
  2. Step 2: Convert to fraction form
    13,885,026.88/20,826,931.20 = 3,787,614.40/x
  3. Step 3: Cross multiply
    13,885,026.88x = 20,826,931.20 × 3,787,614.40
  4. Step 4: Simplify right side
    13,885,026.88x = 78,884,384,520,929.28
  5. Step 5: Solve for x
    x = 78,884,384,520,929.28/13,885,026.88
  6. Step 6: Final answer
    x = 5,681,255.44

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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.