Home / 11,997,845.28-18,000,966.60-3,478,692.96

Finding the Fourth Proportional to 11,997,845.28, 18,000,966.60 and 3,478,692.96

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Solution

The fourth proportional to 11,997,845.28, 18,000,966.60 and 3,478,692.96 is: 5,219,256.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997,845.28 : 18,000,966.60 = 3,478,692.96 : x
  2. Step 2: Convert to fraction form
    11,997,845.28/18,000,966.60 = 3,478,692.96/x
  3. Step 3: Cross multiply
    11,997,845.28x = 18,000,966.60 × 3,478,692.96
  4. Step 4: Simplify right side
    11,997,845.28x = 62,619,835,784,615.14
  5. Step 5: Solve for x
    x = 62,619,835,784,615.14/11,997,845.28
  6. Step 6: Final answer
    x = 5,219,256.82

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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.