Home / 21,366,771.25-29,496,310.89-14,314,507.63

Finding the Fourth Proportional to 21,366,771.25, 29,496,310.89 and 14,314,507.63

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Solution

The fourth proportional to 21,366,771.25, 29,496,310.89 and 14,314,507.63 is: 19,760,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366,771.25 : 29,496,310.89 = 14,314,507.63 : x
  2. Step 2: Convert to fraction form
    21,366,771.25/29,496,310.89 = 14,314,507.63/x
  3. Step 3: Cross multiply
    21,366,771.25x = 29,496,310.89 × 14,314,507.63
  4. Step 4: Simplify right side
    21,366,771.25x = 422,225,167,330,253.62
  5. Step 5: Solve for x
    x = 422,225,167,330,253.62/21,366,771.25
  6. Step 6: Final answer
    x = 19,760,831.55

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Double scale
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1.5x scale

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.