Finding the Fourth Proportional to 19,903,957.52, 27,464,498.84 and 11,201,611.14
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Solution
The fourth proportional to 19,903,957.52, 27,464,498.84 and 11,201,611.14 is: 15,456,556.11
Step by Step Solution
- Step 1: Write the proportion equation
19,903,957.52 : 27,464,498.84 = 11,201,611.14 : x - Step 2: Convert to fraction form
19,903,957.52/27,464,498.84 = 11,201,611.14/x - Step 3: Cross multiply
19,903,957.52x = 27,464,498.84 × 11,201,611.14 - Step 4: Simplify right side
19,903,957.52x = 307,646,636,160,661.06 - Step 5: Solve for x
x = 307,646,636,160,661.06/19,903,957.52 - Step 6: Final answer
x = 15,456,556.11
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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.