Home / 19,421,638.45-26,797,860.11-11,160,104.61

Finding the Fourth Proportional to 19,421,638.45, 26,797,860.11 and 11,160,104.61

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Solution

The fourth proportional to 19,421,638.45, 26,797,860.11 and 11,160,104.61 is: 15,398,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421,638.45 : 26,797,860.11 = 11,160,104.61 : x
  2. Step 2: Convert to fraction form
    19,421,638.45/26,797,860.11 = 11,160,104.61/x
  3. Step 3: Cross multiply
    19,421,638.45x = 26,797,860.11 × 11,160,104.61
  4. Step 4: Simplify right side
    19,421,638.45x = 299,066,922,095,945.56
  5. Step 5: Solve for x
    x = 299,066,922,095,945.56/19,421,638.45
  6. Step 6: Final answer
    x = 15,398,645.32

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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.