Home / 20,700,040.36-28,546,679.42-16,359,496.06

Finding the Fourth Proportional to 20,700,040.36, 28,546,679.42 and 16,359,496.06

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Solution

The fourth proportional to 20,700,040.36, 28,546,679.42 and 16,359,496.06 is: 22,560,791.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,700,040.36 : 28,546,679.42 = 16,359,496.06 : x
  2. Step 2: Convert to fraction form
    20,700,040.36/28,546,679.42 = 16,359,496.06/x
  3. Step 3: Cross multiply
    20,700,040.36x = 28,546,679.42 × 16,359,496.06
  4. Step 4: Simplify right side
    20,700,040.36x = 467,009,289,497,573.12
  5. Step 5: Solve for x
    x = 467,009,289,497,573.12/20,700,040.36
  6. Step 6: Final answer
    x = 22,560,791.25

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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.