Home / 12,752,021.98-19,116,707.70-4,969,134.28

Finding the Fourth Proportional to 12,752,021.98, 19,116,707.70 and 4,969,134.28

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Solution

The fourth proportional to 12,752,021.98, 19,116,707.70 and 4,969,134.28 is: 7,449,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752,021.98 : 19,116,707.70 = 4,969,134.28 : x
  2. Step 2: Convert to fraction form
    12,752,021.98/19,116,707.70 = 4,969,134.28/x
  3. Step 3: Cross multiply
    12,752,021.98x = 19,116,707.70 × 4,969,134.28
  4. Step 4: Simplify right side
    12,752,021.98x = 94,993,487,552,809.95
  5. Step 5: Solve for x
    x = 94,993,487,552,809.95/12,752,021.98
  6. Step 6: Final answer
    x = 7,449,288.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.