Home / 12,343,155.63-18,515,951.07-4,255,066.27

Finding the Fourth Proportional to 12,343,155.63, 18,515,951.07 and 4,255,066.27

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Solution

The fourth proportional to 12,343,155.63, 18,515,951.07 and 4,255,066.27 is: 6,383,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343,155.63 : 18,515,951.07 = 4,255,066.27 : x
  2. Step 2: Convert to fraction form
    12,343,155.63/18,515,951.07 = 4,255,066.27/x
  3. Step 3: Cross multiply
    12,343,155.63x = 18,515,951.07 × 4,255,066.27
  4. Step 4: Simplify right side
    12,343,155.63x = 78,786,598,854,927.41
  5. Step 5: Solve for x
    x = 78,786,598,854,927.41/12,343,155.63
  6. Step 6: Final answer
    x = 6,383,019.16

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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.