Home / 20,052,219.51-30,074,773.77-9,119,848.44

Finding the Fourth Proportional to 20,052,219.51, 30,074,773.77 and 9,119,848.44

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Solution

The fourth proportional to 20,052,219.51, 30,074,773.77 and 9,119,848.44 is: 13,678,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052,219.51 : 30,074,773.77 = 9,119,848.44 : x
  2. Step 2: Convert to fraction form
    20,052,219.51/30,074,773.77 = 9,119,848.44/x
  3. Step 3: Cross multiply
    20,052,219.51x = 30,074,773.77 × 9,119,848.44
  4. Step 4: Simplify right side
    20,052,219.51x = 274,277,378,649,687.41
  5. Step 5: Solve for x
    x = 274,277,378,649,687.41/20,052,219.51
  6. Step 6: Final answer
    x = 13,678,155.60

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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.