Home / 21,665,564.88-29,881,045.32-19,046,469.18

Finding the Fourth Proportional to 21,665,564.88, 29,881,045.32 and 19,046,469.18

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Solution

The fourth proportional to 21,665,564.88, 29,881,045.32 and 19,046,469.18 is: 26,268,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,665,564.88 : 29,881,045.32 = 19,046,469.18 : x
  2. Step 2: Convert to fraction form
    21,665,564.88/29,881,045.32 = 19,046,469.18/x
  3. Step 3: Cross multiply
    21,665,564.88x = 29,881,045.32 × 19,046,469.18
  4. Step 4: Simplify right side
    21,665,564.88x = 569,128,408,753,563.25
  5. Step 5: Solve for x
    x = 569,128,408,753,563.25/21,665,564.88
  6. Step 6: Final answer
    x = 26,268,800.83

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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.