Home / 15,276,672.77-21,082,362.67-8,751,563.26

Finding the Fourth Proportional to 15,276,672.77, 21,082,362.67 and 8,751,563.26

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Solution

The fourth proportional to 15,276,672.77, 21,082,362.67 and 8,751,563.26 is: 12,077,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276,672.77 : 21,082,362.67 = 8,751,563.26 : x
  2. Step 2: Convert to fraction form
    15,276,672.77/21,082,362.67 = 8,751,563.26/x
  3. Step 3: Cross multiply
    15,276,672.77x = 21,082,362.67 × 8,751,563.26
  4. Step 4: Simplify right side
    15,276,672.77x = 184,503,630,533,009.69
  5. Step 5: Solve for x
    x = 184,503,630,533,009.69/15,276,672.77
  6. Step 6: Final answer
    x = 12,077,474.81

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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.