Home / 19,579,644.80-29,369,467.20-16,682,307.20

Finding the Fourth Proportional to 19,579,644.80, 29,369,467.20 and 16,682,307.20

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Solution

The fourth proportional to 19,579,644.80, 29,369,467.20 and 16,682,307.20 is: 25,023,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579,644.80 : 29,369,467.20 = 16,682,307.20 : x
  2. Step 2: Convert to fraction form
    19,579,644.80/29,369,467.20 = 16,682,307.20/x
  3. Step 3: Cross multiply
    19,579,644.80x = 29,369,467.20 × 16,682,307.20
  4. Step 4: Simplify right side
    19,579,644.80x = 489,950,474,130,723.81
  5. Step 5: Solve for x
    x = 489,950,474,130,723.81/19,579,644.80
  6. Step 6: Final answer
    x = 25,023,460.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.