Home / 28,011,644.70-41,994,139.05-11,850,006.30

Finding the Fourth Proportional to 28,011,644.70, 41,994,139.05 and 11,850,006.30

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Solution

The fourth proportional to 28,011,644.70, 41,994,139.05 and 11,850,006.30 is: 17,765,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011,644.70 : 41,994,139.05 = 11,850,006.30 : x
  2. Step 2: Convert to fraction form
    28,011,644.70/41,994,139.05 = 11,850,006.30/x
  3. Step 3: Cross multiply
    28,011,644.70x = 41,994,139.05 × 11,850,006.30
  4. Step 4: Simplify right side
    28,011,644.70x = 497,630,812,305,576
  5. Step 5: Solve for x
    x = 497,630,812,305,576/28,011,644.70
  6. Step 6: Final answer
    x = 17,765,140.81

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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.