Home / 28,994,640.31-40,012,761.78-17,073,973.99

Finding the Fourth Proportional to 28,994,640.31, 40,012,761.78 and 17,073,973.99

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Solution

The fourth proportional to 28,994,640.31, 40,012,761.78 and 17,073,973.99 is: 23,562,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,994,640.31 : 40,012,761.78 = 17,073,973.99 : x
  2. Step 2: Convert to fraction form
    28,994,640.31/40,012,761.78 = 17,073,973.99/x
  3. Step 3: Cross multiply
    28,994,640.31x = 40,012,761.78 × 17,073,973.99
  4. Step 4: Simplify right side
    28,994,640.31x = 683,176,853,899,786
  5. Step 5: Solve for x
    x = 683,176,853,899,786/28,994,640.31
  6. Step 6: Final answer
    x = 23,562,177.24

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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.