Home / 29,219,067.18-40,312,520.82-16,828,912.44

Finding the Fourth Proportional to 29,219,067.18, 40,312,520.82 and 16,828,912.44

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Solution

The fourth proportional to 29,219,067.18, 40,312,520.82 and 16,828,912.44 is: 23,218,259.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,219,067.18 : 40,312,520.82 = 16,828,912.44 : x
  2. Step 2: Convert to fraction form
    29,219,067.18/40,312,520.82 = 16,828,912.44/x
  3. Step 3: Cross multiply
    29,219,067.18x = 40,312,520.82 × 16,828,912.44
  4. Step 4: Simplify right side
    29,219,067.18x = 678,415,883,115,457
  5. Step 5: Solve for x
    x = 678,415,883,115,457/29,219,067.18
  6. Step 6: Final answer
    x = 23,218,259.47

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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.