Home / 14,919,782.88-22,379,600.56-12,891,855.81

Finding the Fourth Proportional to 14,919,782.88, 22,379,600.56 and 12,891,855.81

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Solution

The fourth proportional to 14,919,782.88, 22,379,600.56 and 12,891,855.81 is: 19,337,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919,782.88 : 22,379,600.56 = 12,891,855.81 : x
  2. Step 2: Convert to fraction form
    14,919,782.88/22,379,600.56 = 12,891,855.81/x
  3. Step 3: Cross multiply
    14,919,782.88x = 22,379,600.56 × 12,891,855.81
  4. Step 4: Simplify right side
    14,919,782.88x = 288,514,583,504,915.25
  5. Step 5: Solve for x
    x = 288,514,583,504,915.25/14,919,782.88
  6. Step 6: Final answer
    x = 19,337,719.98

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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.