Home / 12,659,495.52-18,989,243.51-3,074,809.46

Finding the Fourth Proportional to 12,659,495.52, 18,989,243.51 and 3,074,809.46

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Solution

The fourth proportional to 12,659,495.52, 18,989,243.51 and 3,074,809.46 is: 4,612,214.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,495.52 : 18,989,243.51 = 3,074,809.46 : x
  2. Step 2: Convert to fraction form
    12,659,495.52/18,989,243.51 = 3,074,809.46/x
  3. Step 3: Cross multiply
    12,659,495.52x = 18,989,243.51 × 3,074,809.46
  4. Step 4: Simplify right side
    12,659,495.52x = 58,388,305,579,285.83
  5. Step 5: Solve for x
    x = 58,388,305,579,285.83/12,659,495.52
  6. Step 6: Final answer
    x = 4,612,214.25

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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.