Home / 12,768,446.20-19,152,669.30-11,174,123.20

Finding the Fourth Proportional to 12,768,446.20, 19,152,669.30 and 11,174,123.20

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Solution

The fourth proportional to 12,768,446.20, 19,152,669.30 and 11,174,123.20 is: 16,761,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,446.20 : 19,152,669.30 = 11,174,123.20 : x
  2. Step 2: Convert to fraction form
    12,768,446.20/19,152,669.30 = 11,174,123.20/x
  3. Step 3: Cross multiply
    12,768,446.20x = 19,152,669.30 × 11,174,123.20
  4. Step 4: Simplify right side
    12,768,446.20x = 214,014,286,367,057.75
  5. Step 5: Solve for x
    x = 214,014,286,367,057.75/12,768,446.20
  6. Step 6: Final answer
    x = 16,761,184.80

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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.