Home / 21,665,161.19-29,880,489.29-19,046,065.29

Finding the Fourth Proportional to 21,665,161.19, 29,880,489.29 and 19,046,065.29

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Solution

The fourth proportional to 21,665,161.19, 29,880,489.29 and 19,046,065.29 is: 26,268,244.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,665,161.19 : 29,880,489.29 = 19,046,065.29 : x
  2. Step 2: Convert to fraction form
    21,665,161.19/29,880,489.29 = 19,046,065.29/x
  3. Step 3: Cross multiply
    21,665,161.19x = 29,880,489.29 × 19,046,065.29
  4. Step 4: Simplify right side
    21,665,161.19x = 569,105,749,819,255.38
  5. Step 5: Solve for x
    x = 569,105,749,819,255.38/21,665,161.19
  6. Step 6: Final answer
    x = 26,268,244.44

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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.