Home / 29,073,900.72-40,123,739.16-16,021,137.36

Finding the Fourth Proportional to 29,073,900.72, 40,123,739.16 and 16,021,137.36

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Solution

The fourth proportional to 29,073,900.72, 40,123,739.16 and 16,021,137.36 is: 22,110,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,073,900.72 : 40,123,739.16 = 16,021,137.36 : x
  2. Step 2: Convert to fraction form
    29,073,900.72/40,123,739.16 = 16,021,137.36/x
  3. Step 3: Cross multiply
    29,073,900.72x = 40,123,739.16 × 16,021,137.36
  4. Step 4: Simplify right side
    29,073,900.72x = 642,827,936,479,170.88
  5. Step 5: Solve for x
    x = 642,827,936,479,170.88/29,073,900.72
  6. Step 6: Final answer
    x = 22,110,137.29

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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.