Home / 21,786,216.03-30,065,197.48-11,997,570.35

Finding the Fourth Proportional to 21,786,216.03, 30,065,197.48 and 11,997,570.35

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Solution

The fourth proportional to 21,786,216.03, 30,065,197.48 and 11,997,570.35 is: 16,556,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786,216.03 : 30,065,197.48 = 11,997,570.35 : x
  2. Step 2: Convert to fraction form
    21,786,216.03/30,065,197.48 = 11,997,570.35/x
  3. Step 3: Cross multiply
    21,786,216.03x = 30,065,197.48 × 11,997,570.35
  4. Step 4: Simplify right side
    21,786,216.03x = 360,709,321,898,111.75
  5. Step 5: Solve for x
    x = 360,709,321,898,111.75/21,786,216.03
  6. Step 6: Final answer
    x = 16,556,767.88

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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.