Home / 12,500,531.73-18,751,529.85-4,824,216.81

Finding the Fourth Proportional to 12,500,531.73, 18,751,529.85 and 4,824,216.81

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Solution

The fourth proportional to 12,500,531.73, 18,751,529.85 and 4,824,216.81 is: 7,236,607.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,531.73 : 18,751,529.85 = 4,824,216.81 : x
  2. Step 2: Convert to fraction form
    12,500,531.73/18,751,529.85 = 4,824,216.81/x
  3. Step 3: Cross multiply
    12,500,531.73x = 18,751,529.85 × 4,824,216.81
  4. Step 4: Simplify right side
    12,500,531.73x = 90,461,445,515,586.78
  5. Step 5: Solve for x
    x = 90,461,445,515,586.78/12,500,531.73
  6. Step 6: Final answer
    x = 7,236,607.81

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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.