Home / 21,873,163.51-30,185,829.05-12,580,718.77

Finding the Fourth Proportional to 21,873,163.51, 30,185,829.05 and 12,580,718.77

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Solution

The fourth proportional to 21,873,163.51, 30,185,829.05 and 12,580,718.77 is: 17,361,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,163.51 : 30,185,829.05 = 12,580,718.77 : x
  2. Step 2: Convert to fraction form
    21,873,163.51/30,185,829.05 = 12,580,718.77/x
  3. Step 3: Cross multiply
    21,873,163.51x = 30,185,829.05 × 12,580,718.77
  4. Step 4: Simplify right side
    21,873,163.51x = 379,759,426,117,346.25
  5. Step 5: Solve for x
    x = 379,759,426,117,346.25/21,873,163.51
  6. Step 6: Final answer
    x = 17,361,888.51

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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.