Home / 13,614,753.16-18,788,362.32-7,419,801.34

Finding the Fourth Proportional to 13,614,753.16, 18,788,362.32 and 7,419,801.34

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Solution

The fourth proportional to 13,614,753.16, 18,788,362.32 and 7,419,801.34 is: 10,239,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,753.16 : 18,788,362.32 = 7,419,801.34 : x
  2. Step 2: Convert to fraction form
    13,614,753.16/18,788,362.32 = 7,419,801.34/x
  3. Step 3: Cross multiply
    13,614,753.16x = 18,788,362.32 × 7,419,801.34
  4. Step 4: Simplify right side
    13,614,753.16x = 139,405,915,918,341.52
  5. Step 5: Solve for x
    x = 139,405,915,918,341.52/13,614,753.16
  6. Step 6: Final answer
    x = 10,239,327.46

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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.