Home / 12,138,947.06-16,751,551.44-6,632,203.67

Finding the Fourth Proportional to 12,138,947.06, 16,751,551.44 and 6,632,203.67

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Solution

The fourth proportional to 12,138,947.06, 16,751,551.44 and 6,632,203.67 is: 9,152,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,947.06 : 16,751,551.44 = 6,632,203.67 : x
  2. Step 2: Convert to fraction form
    12,138,947.06/16,751,551.44 = 6,632,203.67/x
  3. Step 3: Cross multiply
    12,138,947.06x = 16,751,551.44 × 6,632,203.67
  4. Step 4: Simplify right side
    12,138,947.06x = 111,099,700,854,804.03
  5. Step 5: Solve for x
    x = 111,099,700,854,804.03/12,138,947.06
  6. Step 6: Final answer
    x = 9,152,334.25

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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.