Home / 13,181,955.96-18,190,595.34-7,380,194.88

Finding the Fourth Proportional to 13,181,955.96, 18,190,595.34 and 7,380,194.88

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Solution

The fourth proportional to 13,181,955.96, 18,190,595.34 and 7,380,194.88 is: 10,184,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181,955.96 : 18,190,595.34 = 7,380,194.88 : x
  2. Step 2: Convert to fraction form
    13,181,955.96/18,190,595.34 = 7,380,194.88/x
  3. Step 3: Cross multiply
    13,181,955.96x = 18,190,595.34 × 7,380,194.88
  4. Step 4: Simplify right side
    13,181,955.96x = 134,250,138,592,419.86
  5. Step 5: Solve for x
    x = 134,250,138,592,419.86/13,181,955.96
  6. Step 6: Final answer
    x = 10,184,386.82

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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.