Home / 19,601,872.16-27,078,245.15-15,707,498.33

Finding the Fourth Proportional to 19,601,872.16, 27,078,245.15 and 15,707,498.33

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Solution

The fourth proportional to 19,601,872.16, 27,078,245.15 and 15,707,498.33 is: 21,698,513.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,601,872.16 : 27,078,245.15 = 15,707,498.33 : x
  2. Step 2: Convert to fraction form
    19,601,872.16/27,078,245.15 = 15,707,498.33/x
  3. Step 3: Cross multiply
    19,601,872.16x = 27,078,245.15 × 15,707,498.33
  4. Step 4: Simplify right side
    19,601,872.16x = 425,331,490,259,026.88
  5. Step 5: Solve for x
    x = 425,331,490,259,026.88/19,601,872.16
  6. Step 6: Final answer
    x = 21,698,513.64

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1.5x scale

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.