Home / 21,873,162.51-30,185,827.67-12,580,717.77

Finding the Fourth Proportional to 21,873,162.51, 30,185,827.67 and 12,580,717.77

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Solution

The fourth proportional to 21,873,162.51, 30,185,827.67 and 12,580,717.77 is: 17,361,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,162.51 : 30,185,827.67 = 12,580,717.77 : x
  2. Step 2: Convert to fraction form
    21,873,162.51/30,185,827.67 = 12,580,717.77/x
  3. Step 3: Cross multiply
    21,873,162.51x = 30,185,827.67 × 12,580,717.77
  4. Step 4: Simplify right side
    21,873,162.51x = 379,759,378,601,578.50
  5. Step 5: Solve for x
    x = 379,759,378,601,578.50/21,873,162.51
  6. Step 6: Final answer
    x = 17,361,887.13

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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.