Home / 13,892,423.28-19,161,001.62-12,170,554.44

Finding the Fourth Proportional to 13,892,423.28, 19,161,001.62 and 12,170,554.44

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Solution

The fourth proportional to 13,892,423.28, 19,161,001.62 and 12,170,554.44 is: 16,786,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892,423.28 : 19,161,001.62 = 12,170,554.44 : x
  2. Step 2: Convert to fraction form
    13,892,423.28/19,161,001.62 = 12,170,554.44/x
  3. Step 3: Cross multiply
    13,892,423.28x = 19,161,001.62 × 12,170,554.44
  4. Step 4: Simplify right side
    13,892,423.28x = 233,200,013,341,138.19
  5. Step 5: Solve for x
    x = 233,200,013,341,138.19/13,892,423.28
  6. Step 6: Final answer
    x = 16,786,129.29

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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.