Home / 13,089,137.59-18,066,189.17-7,581,620.96

Finding the Fourth Proportional to 13,089,137.59, 18,066,189.17 and 7,581,620.96

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Solution

The fourth proportional to 13,089,137.59, 18,066,189.17 and 7,581,620.96 is: 10,464,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089,137.59 : 18,066,189.17 = 7,581,620.96 : x
  2. Step 2: Convert to fraction form
    13,089,137.59/18,066,189.17 = 7,581,620.96/x
  3. Step 3: Cross multiply
    13,089,137.59x = 18,066,189.17 × 7,581,620.96
  4. Step 4: Simplify right side
    13,089,137.59x = 136,970,998,474,968.31
  5. Step 5: Solve for x
    x = 136,970,998,474,968.31/13,089,137.59
  6. Step 6: Final answer
    x = 10,464,478.47

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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.