Home / 11,576,872-15,976,083.36-6,421,023.04

Finding the Fourth Proportional to 11,576,872, 15,976,083.36 and 6,421,023.04

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Solution

The fourth proportional to 11,576,872, 15,976,083.36 and 6,421,023.04 is: 8,861,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576,872 : 15,976,083.36 = 6,421,023.04 : x
  2. Step 2: Convert to fraction form
    11,576,872/15,976,083.36 = 6,421,023.04/x
  3. Step 3: Cross multiply
    11,576,872x = 15,976,083.36 × 6,421,023.04
  4. Step 4: Simplify right side
    11,576,872x = 102,582,799,343,520.61
  5. Step 5: Solve for x
    x = 102,582,799,343,520.61/11,576,872
  6. Step 6: Final answer
    x = 8,861,011.80

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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.