Home / 13,365,956.48-18,440,629.44-7,564,161.92

Finding the Fourth Proportional to 13,365,956.48, 18,440,629.44 and 7,564,161.92

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Solution

The fourth proportional to 13,365,956.48, 18,440,629.44 and 7,564,161.92 is: 10,436,058.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,956.48 : 18,440,629.44 = 7,564,161.92 : x
  2. Step 2: Convert to fraction form
    13,365,956.48/18,440,629.44 = 7,564,161.92/x
  3. Step 3: Cross multiply
    13,365,956.48x = 18,440,629.44 × 7,564,161.92
  4. Step 4: Simplify right side
    13,365,956.48x = 139,487,906,990,878.94
  5. Step 5: Solve for x
    x = 139,487,906,990,878.94/13,365,956.48
  6. Step 6: Final answer
    x = 10,436,058.74

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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.