Home / 13,010,538.89-17,954,937.30-7,208,777.81

Finding the Fourth Proportional to 13,010,538.89, 17,954,937.30 and 7,208,777.81

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Solution

The fourth proportional to 13,010,538.89, 17,954,937.30 and 7,208,777.81 is: 9,948,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010,538.89 : 17,954,937.30 = 7,208,777.81 : x
  2. Step 2: Convert to fraction form
    13,010,538.89/17,954,937.30 = 7,208,777.81/x
  3. Step 3: Cross multiply
    13,010,538.89x = 17,954,937.30 × 7,208,777.81
  4. Step 4: Simplify right side
    13,010,538.89x = 129,433,153,588,181.31
  5. Step 5: Solve for x
    x = 129,433,153,588,181.31/13,010,538.89
  6. Step 6: Final answer
    x = 9,948,331.48

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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.