Home / 13,066,485.78-18,034,007.48-7,562,895.22

Finding the Fourth Proportional to 13,066,485.78, 18,034,007.48 and 7,562,895.22

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Solution

The fourth proportional to 13,066,485.78, 18,034,007.48 and 7,562,895.22 is: 10,438,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066,485.78 : 18,034,007.48 = 7,562,895.22 : x
  2. Step 2: Convert to fraction form
    13,066,485.78/18,034,007.48 = 7,562,895.22/x
  3. Step 3: Cross multiply
    13,066,485.78x = 18,034,007.48 × 7,562,895.22
  4. Step 4: Simplify right side
    13,066,485.78x = 136,389,308,967,936.25
  5. Step 5: Solve for x
    x = 136,389,308,967,936.25/13,066,485.78
  6. Step 6: Final answer
    x = 10,438,101.82

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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.