Home / 21,644,143.11-29,869,400.97-12,351,528.16

Finding the Fourth Proportional to 21,644,143.11, 29,869,400.97 and 12,351,528.16

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Solution

The fourth proportional to 21,644,143.11, 29,869,400.97 and 12,351,528.16 is: 17,045,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,644,143.11 : 29,869,400.97 = 12,351,528.16 : x
  2. Step 2: Convert to fraction form
    21,644,143.11/29,869,400.97 = 12,351,528.16/x
  3. Step 3: Cross multiply
    21,644,143.11x = 29,869,400.97 × 12,351,528.16
  4. Step 4: Simplify right side
    21,644,143.11x = 368,932,747,128,612.81
  5. Step 5: Solve for x
    x = 368,932,747,128,612.81/21,644,143.11
  6. Step 6: Final answer
    x = 17,045,384.76

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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.