Home / 16,917,021.45-23,344,863.80-9,181,897.83

Finding the Fourth Proportional to 16,917,021.45, 23,344,863.80 and 9,181,897.83

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Solution

The fourth proportional to 16,917,021.45, 23,344,863.80 and 9,181,897.83 is: 12,670,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917,021.45 : 23,344,863.80 = 9,181,897.83 : x
  2. Step 2: Convert to fraction form
    16,917,021.45/23,344,863.80 = 9,181,897.83/x
  3. Step 3: Cross multiply
    16,917,021.45x = 23,344,863.80 × 9,181,897.83
  4. Step 4: Simplify right side
    16,917,021.45x = 214,350,154,220,956.09
  5. Step 5: Solve for x
    x = 214,350,154,220,956.09/16,917,021.45
  6. Step 6: Final answer
    x = 12,670,679.34

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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.