Home / 19,892,833.77-27,455,871.32-12,453,956.18

Finding the Fourth Proportional to 19,892,833.77, 27,455,871.32 and 12,453,956.18

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Solution

The fourth proportional to 19,892,833.77, 27,455,871.32 and 12,453,956.18 is: 17,188,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892,833.77 : 27,455,871.32 = 12,453,956.18 : x
  2. Step 2: Convert to fraction form
    19,892,833.77/27,455,871.32 = 12,453,956.18/x
  3. Step 3: Cross multiply
    19,892,833.77x = 27,455,871.32 × 12,453,956.18
  4. Step 4: Simplify right side
    19,892,833.77x = 341,934,218,323,165
  5. Step 5: Solve for x
    x = 341,934,218,323,165/19,892,833.77
  6. Step 6: Final answer
    x = 17,188,813.93

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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.