Home / 19,081,442.10-28,607,109.57-9,491,586.42

Finding the Fourth Proportional to 19,081,442.10, 28,607,109.57 and 9,491,586.42

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Solution

The fourth proportional to 19,081,442.10, 28,607,109.57 and 9,491,586.42 is: 14,229,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081,442.10 : 28,607,109.57 = 9,491,586.42 : x
  2. Step 2: Convert to fraction form
    19,081,442.10/28,607,109.57 = 9,491,586.42/x
  3. Step 3: Cross multiply
    19,081,442.10x = 28,607,109.57 × 9,491,586.42
  4. Step 4: Simplify right side
    19,081,442.10x = 271,526,852,710,064.03
  5. Step 5: Solve for x
    x = 271,526,852,710,064.03/19,081,442.10
  6. Step 6: Final answer
    x = 14,229,891.60

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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.