Home / 13,256,273.45-18,293,369.63-7,674,755.12

Finding the Fourth Proportional to 13,256,273.45, 18,293,369.63 and 7,674,755.12

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Solution

The fourth proportional to 13,256,273.45, 18,293,369.63 and 7,674,755.12 is: 10,590,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256,273.45 : 18,293,369.63 = 7,674,755.12 : x
  2. Step 2: Convert to fraction form
    13,256,273.45/18,293,369.63 = 7,674,755.12/x
  3. Step 3: Cross multiply
    13,256,273.45x = 18,293,369.63 × 7,674,755.12
  4. Step 4: Simplify right side
    13,256,273.45x = 140,397,132,229,895
  5. Step 5: Solve for x
    x = 140,397,132,229,895/13,256,273.45
  6. Step 6: Final answer
    x = 10,590,995.48

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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.