Home / 21,840,367.20-30,140,337.58-12,051,441.77

Finding the Fourth Proportional to 21,840,367.20, 30,140,337.58 and 12,051,441.77

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Solution

The fourth proportional to 21,840,367.20, 30,140,337.58 and 12,051,441.77 is: 16,631,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840,367.20 : 30,140,337.58 = 12,051,441.77 : x
  2. Step 2: Convert to fraction form
    21,840,367.20/30,140,337.58 = 12,051,441.77/x
  3. Step 3: Cross multiply
    21,840,367.20x = 30,140,337.58 × 12,051,441.77
  4. Step 4: Simplify right side
    21,840,367.20x = 363,234,523,273,512.69
  5. Step 5: Solve for x
    x = 363,234,523,273,512.69/21,840,367.20
  6. Step 6: Final answer
    x = 16,631,337.74

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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.