Home / 13,054,771.35-18,014,501.66-7,174,096.32

Finding the Fourth Proportional to 13,054,771.35, 18,014,501.66 and 7,174,096.32

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Solution

The fourth proportional to 13,054,771.35, 18,014,501.66 and 7,174,096.32 is: 9,899,657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054,771.35 : 18,014,501.66 = 7,174,096.32 : x
  2. Step 2: Convert to fraction form
    13,054,771.35/18,014,501.66 = 7,174,096.32/x
  3. Step 3: Cross multiply
    13,054,771.35x = 18,014,501.66 × 7,174,096.32
  4. Step 4: Simplify right side
    13,054,771.35x = 129,237,770,097,323.81
  5. Step 5: Solve for x
    x = 129,237,770,097,323.81/13,054,771.35
  6. Step 6: Final answer
    x = 9,899,657.88

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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.