Home / 21,762,001.42-30,019,090.80-13,599,067.66

Finding the Fourth Proportional to 21,762,001.42, 30,019,090.80 and 13,599,067.66

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Solution

The fourth proportional to 21,762,001.42, 30,019,090.80 and 13,599,067.66 is: 18,758,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762,001.42 : 30,019,090.80 = 13,599,067.66 : x
  2. Step 2: Convert to fraction form
    21,762,001.42/30,019,090.80 = 13,599,067.66/x
  3. Step 3: Cross multiply
    21,762,001.42x = 30,019,090.80 × 13,599,067.66
  4. Step 4: Simplify right side
    21,762,001.42x = 408,231,646,880,883.56
  5. Step 5: Solve for x
    x = 408,231,646,880,883.56/21,762,001.42
  6. Step 6: Final answer
    x = 18,758,920.15

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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.