Home / 12,989,246.40-19,486,634.40-4,014,705.60

Finding the Fourth Proportional to 12,989,246.40, 19,486,634.40 and 4,014,705.60

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Solution

The fourth proportional to 12,989,246.40, 19,486,634.40 and 4,014,705.60 is: 6,022,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,989,246.40 : 19,486,634.40 = 4,014,705.60 : x
  2. Step 2: Convert to fraction form
    12,989,246.40/19,486,634.40 = 4,014,705.60/x
  3. Step 3: Cross multiply
    12,989,246.40x = 19,486,634.40 × 4,014,705.60
  4. Step 4: Simplify right side
    12,989,246.40x = 78,233,100,250,832.64
  5. Step 5: Solve for x
    x = 78,233,100,250,832.64/12,989,246.40
  6. Step 6: Final answer
    x = 6,022,912.94

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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.