Home / 19,912,686.96-27,479,194.20-11,210,839.92

Finding the Fourth Proportional to 19,912,686.96, 27,479,194.20 and 11,210,839.92

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Solution

The fourth proportional to 19,912,686.96, 27,479,194.20 and 11,210,839.92 is: 15,470,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912,686.96 : 27,479,194.20 = 11,210,839.92 : x
  2. Step 2: Convert to fraction form
    19,912,686.96/27,479,194.20 = 11,210,839.92/x
  3. Step 3: Cross multiply
    19,912,686.96x = 27,479,194.20 × 11,210,839.92
  4. Step 4: Simplify right side
    19,912,686.96x = 308,064,847,306,792.44
  5. Step 5: Solve for x
    x = 308,064,847,306,792.44/19,912,686.96
  6. Step 6: Final answer
    x = 15,470,782.42

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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.