Home / 15,684,522.09-21,646,327.05-9,492,976.16

Finding the Fourth Proportional to 15,684,522.09, 21,646,327.05 and 9,492,976.16

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Solution

The fourth proportional to 15,684,522.09, 21,646,327.05 and 9,492,976.16 is: 13,101,327.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684,522.09 : 21,646,327.05 = 9,492,976.16 : x
  2. Step 2: Convert to fraction form
    15,684,522.09/21,646,327.05 = 9,492,976.16/x
  3. Step 3: Cross multiply
    15,684,522.09x = 21,646,327.05 × 9,492,976.16
  4. Step 4: Simplify right side
    15,684,522.09x = 205,488,066,481,516.62
  5. Step 5: Solve for x
    x = 205,488,066,481,516.62/15,684,522.09
  6. Step 6: Final answer
    x = 13,101,327.88

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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.