Home / 28,171,858.23-38,913,633-23,296,772.79

Finding the Fourth Proportional to 28,171,858.23, 38,913,633 and 23,296,772.79

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Solution

The fourth proportional to 28,171,858.23, 38,913,633 and 23,296,772.79 is: 32,179,704.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,171,858.23 : 38,913,633 = 23,296,772.79 : x
  2. Step 2: Convert to fraction form
    28,171,858.23/38,913,633 = 23,296,772.79/x
  3. Step 3: Cross multiply
    28,171,858.23x = 38,913,633 × 23,296,772.79
  4. Step 4: Simplify right side
    28,171,858.23x = 906,562,066,434,446
  5. Step 5: Solve for x
    x = 906,562,066,434,446/28,171,858.23
  6. Step 6: Final answer
    x = 32,179,704.26

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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.