Home / 19,629,507.69-27,071,086.10-12,288,010.12

Finding the Fourth Proportional to 19,629,507.69, 27,071,086.10 and 12,288,010.12

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Solution

The fourth proportional to 19,629,507.69, 27,071,086.10 and 12,288,010.12 is: 16,946,414.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629,507.69 : 27,071,086.10 = 12,288,010.12 : x
  2. Step 2: Convert to fraction form
    19,629,507.69/27,071,086.10 = 12,288,010.12/x
  3. Step 3: Cross multiply
    19,629,507.69x = 27,071,086.10 × 12,288,010.12
  4. Step 4: Simplify right side
    19,629,507.69x = 332,649,779,956,191.31
  5. Step 5: Solve for x
    x = 332,649,779,956,191.31/19,629,507.69
  6. Step 6: Final answer
    x = 16,946,414.82

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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.