Home / 12,475,727.88-18,721,056.80-11,460,493.32

Finding the Fourth Proportional to 12,475,727.88, 18,721,056.80 and 11,460,493.32

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Solution

The fourth proportional to 12,475,727.88, 18,721,056.80 and 11,460,493.32 is: 17,197,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,727.88 : 18,721,056.80 = 11,460,493.32 : x
  2. Step 2: Convert to fraction form
    12,475,727.88/18,721,056.80 = 11,460,493.32/x
  3. Step 3: Cross multiply
    12,475,727.88x = 18,721,056.80 × 11,460,493.32
  4. Step 4: Simplify right side
    12,475,727.88x = 214,552,546,399,740.59
  5. Step 5: Solve for x
    x = 214,552,546,399,740.59/12,475,727.88
  6. Step 6: Final answer
    x = 17,197,597.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.