Home / 37,178,998.20-55,768,497.30-11,619,966.60

Finding the Fourth Proportional to 37,178,998.20, 55,768,497.30 and 11,619,966.60

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Solution

The fourth proportional to 37,178,998.20, 55,768,497.30 and 11,619,966.60 is: 17,429,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,178,998.20 : 55,768,497.30 = 11,619,966.60 : x
  2. Step 2: Convert to fraction form
    37,178,998.20/55,768,497.30 = 11,619,966.60/x
  3. Step 3: Cross multiply
    37,178,998.20x = 55,768,497.30 × 11,619,966.60
  4. Step 4: Simplify right side
    37,178,998.20x = 648,028,075,958,190.12
  5. Step 5: Solve for x
    x = 648,028,075,958,190.12/37,178,998.20
  6. Step 6: Final answer
    x = 17,429,949.90

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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.