Home / 21,608,367.37-29,820,502.25-12,443,962.57

Finding the Fourth Proportional to 21,608,367.37, 29,820,502.25 and 12,443,962.57

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Solution

The fourth proportional to 21,608,367.37, 29,820,502.25 and 12,443,962.57 is: 17,173,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608,367.37 : 29,820,502.25 = 12,443,962.57 : x
  2. Step 2: Convert to fraction form
    21,608,367.37/29,820,502.25 = 12,443,962.57/x
  3. Step 3: Cross multiply
    21,608,367.37x = 29,820,502.25 × 12,443,962.57
  4. Step 4: Simplify right side
    21,608,367.37x = 371,085,213,727,494.62
  5. Step 5: Solve for x
    x = 371,085,213,727,494.62/21,608,367.37
  6. Step 6: Final answer
    x = 17,173,218.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.