Home / 22,928,430.57-31,629,174.41-13,629,386.36

Finding the Fourth Proportional to 22,928,430.57, 31,629,174.41 and 13,629,386.36

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Solution

The fourth proportional to 22,928,430.57, 31,629,174.41 and 13,629,386.36 is: 18,801,384.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,928,430.57 : 31,629,174.41 = 13,629,386.36 : x
  2. Step 2: Convert to fraction form
    22,928,430.57/31,629,174.41 = 13,629,386.36/x
  3. Step 3: Cross multiply
    22,928,430.57x = 31,629,174.41 × 13,629,386.36
  4. Step 4: Simplify right side
    22,928,430.57x = 431,086,238,157,642.69
  5. Step 5: Solve for x
    x = 431,086,238,157,642.69/22,928,430.57
  6. Step 6: Final answer
    x = 18,801,384.46

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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.