Home / 12,219,571.49-18,327,342.47-4,022,319.60

Finding the Fourth Proportional to 12,219,571.49, 18,327,342.47 and 4,022,319.60

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Solution

The fourth proportional to 12,219,571.49, 18,327,342.47 and 4,022,319.60 is: 6,032,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,571.49 : 18,327,342.47 = 4,022,319.60 : x
  2. Step 2: Convert to fraction form
    12,219,571.49/18,327,342.47 = 4,022,319.60/x
  3. Step 3: Cross multiply
    12,219,571.49x = 18,327,342.47 × 4,022,319.60
  4. Step 4: Simplify right side
    12,219,571.49x = 73,718,428,812,881.81
  5. Step 5: Solve for x
    x = 73,718,428,812,881.81/12,219,571.49
  6. Step 6: Final answer
    x = 6,032,816.20

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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.