Home / 12,997,921.57-19,497,103.79-4,914,703.96

Finding the Fourth Proportional to 12,997,921.57, 19,497,103.79 and 4,914,703.96

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Solution

The fourth proportional to 12,997,921.57, 19,497,103.79 and 4,914,703.96 is: 7,372,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,921.57 : 19,497,103.79 = 4,914,703.96 : x
  2. Step 2: Convert to fraction form
    12,997,921.57/19,497,103.79 = 4,914,703.96/x
  3. Step 3: Cross multiply
    12,997,921.57x = 19,497,103.79 × 4,914,703.96
  4. Step 4: Simplify right side
    12,997,921.57x = 95,822,493,205,244
  5. Step 5: Solve for x
    x = 95,822,493,205,244/12,997,921.57
  6. Step 6: Final answer
    x = 7,372,139.67

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1.5x scale

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.