Home / 19,561,143.20-29,313,721.20-14,403,322.40

Finding the Fourth Proportional to 19,561,143.20, 29,313,721.20 and 14,403,322.40

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Solution

The fourth proportional to 19,561,143.20, 29,313,721.20 and 14,403,322.40 is: 21,584,371.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561,143.20 : 29,313,721.20 = 14,403,322.40 : x
  2. Step 2: Convert to fraction form
    19,561,143.20/29,313,721.20 = 14,403,322.40/x
  3. Step 3: Cross multiply
    19,561,143.20x = 29,313,721.20 × 14,403,322.40
  4. Step 4: Simplify right side
    19,561,143.20x = 422,214,977,187,314.88
  5. Step 5: Solve for x
    x = 422,214,977,187,314.88/19,561,143.20
  6. Step 6: Final answer
    x = 21,584,371.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.