Home / 15,463,428.62-21,322,044.06-9,874,325.94

Finding the Fourth Proportional to 15,463,428.62, 21,322,044.06 and 9,874,325.94

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Solution

The fourth proportional to 15,463,428.62, 21,322,044.06 and 9,874,325.94 is: 13,615,403.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,463,428.62 : 21,322,044.06 = 9,874,325.94 : x
  2. Step 2: Convert to fraction form
    15,463,428.62/21,322,044.06 = 9,874,325.94/x
  3. Step 3: Cross multiply
    15,463,428.62x = 21,322,044.06 × 9,874,325.94
  4. Step 4: Simplify right side
    15,463,428.62x = 210,540,812,755,480.91
  5. Step 5: Solve for x
    x = 210,540,812,755,480.91/15,463,428.62
  6. Step 6: Final answer
    x = 13,615,403.03

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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.