Home / 13,606,513.43-18,776,989.56-7,494,941.93

Finding the Fourth Proportional to 13,606,513.43, 18,776,989.56 and 7,494,941.93

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Solution

The fourth proportional to 13,606,513.43, 18,776,989.56 and 7,494,941.93 is: 10,343,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606,513.43 : 18,776,989.56 = 7,494,941.93 : x
  2. Step 2: Convert to fraction form
    13,606,513.43/18,776,989.56 = 7,494,941.93/x
  3. Step 3: Cross multiply
    13,606,513.43x = 18,776,989.56 × 7,494,941.93
  4. Step 4: Simplify right side
    13,606,513.43x = 140,732,446,372,416.23
  5. Step 5: Solve for x
    x = 140,732,446,372,416.23/13,606,513.43
  6. Step 6: Final answer
    x = 10,343,020.43

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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.