Home / 12,949,550.70-19,440,072.45-6,556,512.30

Finding the Fourth Proportional to 12,949,550.70, 19,440,072.45 and 6,556,512.30

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Solution

The fourth proportional to 12,949,550.70, 19,440,072.45 and 6,556,512.30 is: 9,842,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,550.70 : 19,440,072.45 = 6,556,512.30 : x
  2. Step 2: Convert to fraction form
    12,949,550.70/19,440,072.45 = 6,556,512.30/x
  3. Step 3: Cross multiply
    12,949,550.70x = 19,440,072.45 × 6,556,512.30
  4. Step 4: Simplify right side
    12,949,550.70x = 127,459,074,131,316.12
  5. Step 5: Solve for x
    x = 127,459,074,131,316.12/12,949,550.70
  6. Step 6: Final answer
    x = 9,842,741.04

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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.