Home / 13,606,509.93-18,776,984.72-7,494,938.43

Finding the Fourth Proportional to 13,606,509.93, 18,776,984.72 and 7,494,938.43

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Solution

The fourth proportional to 13,606,509.93, 18,776,984.72 and 7,494,938.43 is: 10,343,015.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606,509.93 : 18,776,984.72 = 7,494,938.43 : x
  2. Step 2: Convert to fraction form
    13,606,509.93/18,776,984.72 = 7,494,938.43/x
  3. Step 3: Cross multiply
    13,606,509.93x = 18,776,984.72 × 7,494,938.43
  4. Step 4: Simplify right side
    13,606,509.93x = 140,732,344,377,450.78
  5. Step 5: Solve for x
    x = 140,732,344,377,450.78/13,606,509.93
  6. Step 6: Final answer
    x = 10,343,015.59

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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.