Home / 15,474,260.16-21,356,442.72-9,362,738.88

Finding the Fourth Proportional to 15,474,260.16, 21,356,442.72 and 9,362,738.88

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Solution

The fourth proportional to 15,474,260.16, 21,356,442.72 and 9,362,738.88 is: 12,921,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,474,260.16 : 21,356,442.72 = 9,362,738.88 : x
  2. Step 2: Convert to fraction form
    15,474,260.16/21,356,442.72 = 9,362,738.88/x
  3. Step 3: Cross multiply
    15,474,260.16x = 21,356,442.72 × 9,362,738.88
  4. Step 4: Simplify right side
    15,474,260.16x = 199,954,796,593,036.97
  5. Step 5: Solve for x
    x = 199,954,796,593,036.97/15,474,260.16
  6. Step 6: Final answer
    x = 12,921,767.80

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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.