Home / 13,272,981.36-18,322,376.04-8,924,588.16

Finding the Fourth Proportional to 13,272,981.36, 18,322,376.04 and 8,924,588.16

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Solution

The fourth proportional to 13,272,981.36, 18,322,376.04 and 8,924,588.16 is: 12,319,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272,981.36 : 18,322,376.04 = 8,924,588.16 : x
  2. Step 2: Convert to fraction form
    13,272,981.36/18,322,376.04 = 8,924,588.16/x
  3. Step 3: Cross multiply
    13,272,981.36x = 18,322,376.04 × 8,924,588.16
  4. Step 4: Simplify right side
    13,272,981.36x = 163,519,660,269,651.69
  5. Step 5: Solve for x
    x = 163,519,660,269,651.69/13,272,981.36
  6. Step 6: Final answer
    x = 12,319,738.56

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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.