Home / 22,166,579.76-30,590,399.70-12,376,692.96

Finding the Fourth Proportional to 22,166,579.76, 30,590,399.70 and 12,376,692.96

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Solution

The fourth proportional to 22,166,579.76, 30,590,399.70 and 12,376,692.96 is: 17,080,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166,579.76 : 30,590,399.70 = 12,376,692.96 : x
  2. Step 2: Convert to fraction form
    22,166,579.76/30,590,399.70 = 12,376,692.96/x
  3. Step 3: Cross multiply
    22,166,579.76x = 30,590,399.70 × 12,376,692.96
  4. Step 4: Simplify right side
    22,166,579.76x = 378,607,984,610,576.12
  5. Step 5: Solve for x
    x = 378,607,984,610,576.12/22,166,579.76
  6. Step 6: Final answer
    x = 17,080,126.42

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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.