Home / 20,848,168.91-28,771,534.98-12,024,338.76

Finding the Fourth Proportional to 20,848,168.91, 28,771,534.98 and 12,024,338.76

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Solution

The fourth proportional to 20,848,168.91, 28,771,534.98 and 12,024,338.76 is: 16,594,199.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848,168.91 : 28,771,534.98 = 12,024,338.76 : x
  2. Step 2: Convert to fraction form
    20,848,168.91/28,771,534.98 = 12,024,338.76/x
  3. Step 3: Cross multiply
    20,848,168.91x = 28,771,534.98 × 12,024,338.76
  4. Step 4: Simplify right side
    20,848,168.91x = 345,958,683,244,709.81
  5. Step 5: Solve for x
    x = 345,958,683,244,709.81/20,848,168.91
  6. Step 6: Final answer
    x = 16,594,199.94

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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.