Finding the Fourth Proportional to 49,423,496.97, 68,204,980.63 and 28,233,083.06
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Solution
The fourth proportional to 49,423,496.97, 68,204,980.63 and 28,233,083.06 is: 38,961,971.56
Step by Step Solution
- Step 1: Write the proportion equation
49,423,496.97 : 68,204,980.63 = 28,233,083.06 : x - Step 2: Convert to fraction form
49,423,496.97/68,204,980.63 = 28,233,083.06/x - Step 3: Cross multiply
49,423,496.97x = 68,204,980.63 × 28,233,083.06 - Step 4: Simplify right side
49,423,496.97x = 1,925,636,883,232,481 - Step 5: Solve for x
x = 1,925,636,883,232,481/49,423,496.97 - Step 6: Final answer
x = 38,961,971.56
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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.