Home / 13,678,664.20-18,876,414.66-7,483,652.36

Finding the Fourth Proportional to 13,678,664.20, 18,876,414.66 and 7,483,652.36

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Solution

The fourth proportional to 13,678,664.20, 18,876,414.66 and 7,483,652.36 is: 10,327,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,678,664.20 : 18,876,414.66 = 7,483,652.36 : x
  2. Step 2: Convert to fraction form
    13,678,664.20/18,876,414.66 = 7,483,652.36/x
  3. Step 3: Cross multiply
    13,678,664.20x = 18,876,414.66 × 7,483,652.36
  4. Step 4: Simplify right side
    13,678,664.20x = 141,264,525,118,647.59
  5. Step 5: Solve for x
    x = 141,264,525,118,647.59/13,678,664.20
  6. Step 6: Final answer
    x = 10,327,362.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.