Home / 19,561,121.20-29,313,688.20-14,403,300.40

Finding the Fourth Proportional to 19,561,121.20, 29,313,688.20 and 14,403,300.40

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Solution

The fourth proportional to 19,561,121.20, 29,313,688.20 and 14,403,300.40 is: 21,584,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561,121.20 : 29,313,688.20 = 14,403,300.40 : x
  2. Step 2: Convert to fraction form
    19,561,121.20/29,313,688.20 = 14,403,300.40/x
  3. Step 3: Cross multiply
    19,561,121.20x = 29,313,688.20 × 14,403,300.40
  4. Step 4: Simplify right side
    19,561,121.20x = 422,213,856,976,535.25
  5. Step 5: Solve for x
    x = 422,213,856,976,535.25/19,561,121.20
  6. Step 6: Final answer
    x = 21,584,338.27

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1.5x scale

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.