Home / 27,939,687.72-41,909,543.16-12,569,023.88

Finding the Fourth Proportional to 27,939,687.72, 41,909,543.16 and 12,569,023.88

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Solution

The fourth proportional to 27,939,687.72, 41,909,543.16 and 12,569,023.88 is: 18,853,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939,687.72 : 41,909,543.16 = 12,569,023.88 : x
  2. Step 2: Convert to fraction form
    27,939,687.72/41,909,543.16 = 12,569,023.88/x
  3. Step 3: Cross multiply
    27,939,687.72x = 41,909,543.16 × 12,569,023.88
  4. Step 4: Simplify right side
    27,939,687.72x = 526,762,048,777,930.62
  5. Step 5: Solve for x
    x = 526,762,048,777,930.62/27,939,687.72
  6. Step 6: Final answer
    x = 18,853,541.03

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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.