Home / 14,053,976.16-19,392,342.24-7,940,173.92

Finding the Fourth Proportional to 14,053,976.16, 19,392,342.24 and 7,940,173.92

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Solution

The fourth proportional to 14,053,976.16, 19,392,342.24 and 7,940,173.92 is: 10,956,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053,976.16 : 19,392,342.24 = 7,940,173.92 : x
  2. Step 2: Convert to fraction form
    14,053,976.16/19,392,342.24 = 7,940,173.92/x
  3. Step 3: Cross multiply
    14,053,976.16x = 19,392,342.24 × 7,940,173.92
  4. Step 4: Simplify right side
    14,053,976.16x = 153,978,570,101,762.38
  5. Step 5: Solve for x
    x = 153,978,570,101,762.38/14,053,976.16
  6. Step 6: Final answer
    x = 10,956,228.21

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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.