Home / 16,720,950.54-23,075,105.43-9,278,765.31

Finding the Fourth Proportional to 16,720,950.54, 23,075,105.43 and 9,278,765.31

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Solution

The fourth proportional to 16,720,950.54, 23,075,105.43 and 9,278,765.31 is: 12,804,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720,950.54 : 23,075,105.43 = 9,278,765.31 : x
  2. Step 2: Convert to fraction form
    16,720,950.54/23,075,105.43 = 9,278,765.31/x
  3. Step 3: Cross multiply
    16,720,950.54x = 23,075,105.43 × 9,278,765.31
  4. Step 4: Simplify right side
    16,720,950.54x = 214,108,487,788,476.66
  5. Step 5: Solve for x
    x = 214,108,487,788,476.66/16,720,950.54
  6. Step 6: Final answer
    x = 12,804,803.61

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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.