Home / 13,181,953.96-18,190,592.58-7,380,192.88

Finding the Fourth Proportional to 13,181,953.96, 18,190,592.58 and 7,380,192.88

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Solution

The fourth proportional to 13,181,953.96, 18,190,592.58 and 7,380,192.88 is: 10,184,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181,953.96 : 18,190,592.58 = 7,380,192.88 : x
  2. Step 2: Convert to fraction form
    13,181,953.96/18,190,592.58 = 7,380,192.88/x
  3. Step 3: Cross multiply
    13,181,953.96x = 18,190,592.58 × 7,380,192.88
  4. Step 4: Simplify right side
    13,181,953.96x = 134,250,081,841,896.81
  5. Step 5: Solve for x
    x = 134,250,081,841,896.81/13,181,953.96
  6. Step 6: Final answer
    x = 10,184,384.06

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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.