Home / 20,126,669.34-27,774,045.78-12,299,269.98

Finding the Fourth Proportional to 20,126,669.34, 27,774,045.78 and 12,299,269.98

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Solution

The fourth proportional to 20,126,669.34, 27,774,045.78 and 12,299,269.98 is: 16,972,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,126,669.34 : 27,774,045.78 = 12,299,269.98 : x
  2. Step 2: Convert to fraction form
    20,126,669.34/27,774,045.78 = 12,299,269.98/x
  3. Step 3: Cross multiply
    20,126,669.34x = 27,774,045.78 × 12,299,269.98
  4. Step 4: Simplify right side
    20,126,669.34x = 341,600,487,485,099.69
  5. Step 5: Solve for x
    x = 341,600,487,485,099.69/20,126,669.34
  6. Step 6: Final answer
    x = 16,972,529.42

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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.