Home / 31,262,267.86-43,142,182.94-17,323,855.78

Finding the Fourth Proportional to 31,262,267.86, 43,142,182.94 and 17,323,855.78

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Solution

The fourth proportional to 31,262,267.86, 43,142,182.94 and 17,323,855.78 is: 23,907,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262,267.86 : 43,142,182.94 = 17,323,855.78 : x
  2. Step 2: Convert to fraction form
    31,262,267.86/43,142,182.94 = 17,323,855.78/x
  3. Step 3: Cross multiply
    31,262,267.86x = 43,142,182.94 × 17,323,855.78
  4. Step 4: Simplify right side
    31,262,267.86x = 747,388,955,286,936.38
  5. Step 5: Solve for x
    x = 747,388,955,286,936.38/31,262,267.86
  6. Step 6: Final answer
    x = 23,907,061.34

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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.