Home / 13,925,707.44-20,888,502.72-7,857,676.80

Finding the Fourth Proportional to 13,925,707.44, 20,888,502.72 and 7,857,676.80

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Solution

The fourth proportional to 13,925,707.44, 20,888,502.72 and 7,857,676.80 is: 11,786,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925,707.44 : 20,888,502.72 = 7,857,676.80 : x
  2. Step 2: Convert to fraction form
    13,925,707.44/20,888,502.72 = 7,857,676.80/x
  3. Step 3: Cross multiply
    13,925,707.44x = 20,888,502.72 × 7,857,676.80
  4. Step 4: Simplify right side
    13,925,707.44x = 164,135,103,209,680.88
  5. Step 5: Solve for x
    x = 164,135,103,209,680.88/13,925,707.44
  6. Step 6: Final answer
    x = 11,786,482.22

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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.