Home / 31,574,012.56-43,572,136.92-17,087,324.56

Finding the Fourth Proportional to 31,574,012.56, 43,572,136.92 and 17,087,324.56

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Solution

The fourth proportional to 31,574,012.56, 43,572,136.92 and 17,087,324.56 is: 23,580,507.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574,012.56 : 43,572,136.92 = 17,087,324.56 : x
  2. Step 2: Convert to fraction form
    31,574,012.56/43,572,136.92 = 17,087,324.56/x
  3. Step 3: Cross multiply
    31,574,012.56x = 43,572,136.92 × 17,087,324.56
  4. Step 4: Simplify right side
    31,574,012.56x = 744,531,245,324,798.75
  5. Step 5: Solve for x
    x = 744,531,245,324,798.75/31,574,012.56
  6. Step 6: Final answer
    x = 23,580,507.67

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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.