Home / 21,719,963.37-29,974,066.91-11,930,612.59

Finding the Fourth Proportional to 21,719,963.37, 29,974,066.91 and 11,930,612.59

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Solution

The fourth proportional to 21,719,963.37, 29,974,066.91 and 11,930,612.59 is: 16,464,529.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719,963.37 : 29,974,066.91 = 11,930,612.59 : x
  2. Step 2: Convert to fraction form
    21,719,963.37/29,974,066.91 = 11,930,612.59/x
  3. Step 3: Cross multiply
    21,719,963.37x = 29,974,066.91 × 11,930,612.59
  4. Step 4: Simplify right side
    21,719,963.37x = 357,608,980,049,948.38
  5. Step 5: Solve for x
    x = 357,608,980,049,948.38/21,719,963.37
  6. Step 6: Final answer
    x = 16,464,529.61

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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.