Home / 21,840,366.20-30,140,336.20-12,051,440.77

Finding the Fourth Proportional to 21,840,366.20, 30,140,336.20 and 12,051,440.77

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Solution

The fourth proportional to 21,840,366.20, 30,140,336.20 and 12,051,440.77 is: 16,631,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840,366.20 : 30,140,336.20 = 12,051,440.77 : x
  2. Step 2: Convert to fraction form
    21,840,366.20/30,140,336.20 = 12,051,440.77/x
  3. Step 3: Cross multiply
    21,840,366.20x = 30,140,336.20 × 12,051,440.77
  4. Step 4: Simplify right side
    21,840,366.20x = 363,234,476,351,485.19
  5. Step 5: Solve for x
    x = 363,234,476,351,485.19/21,840,366.20
  6. Step 6: Final answer
    x = 16,631,336.36

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Double scale
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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.