Finding the Fourth Proportional to 49,830,146.82, 68,765,792.74 and 27,804,574.58
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Solution
The fourth proportional to 49,830,146.82, 68,765,792.74 and 27,804,574.58 is: 38,370,419.00
Step by Step Solution
- Step 1: Write the proportion equation
49,830,146.82 : 68,765,792.74 = 27,804,574.58 : x - Step 2: Convert to fraction form
49,830,146.82/68,765,792.74 = 27,804,574.58/x - Step 3: Cross multiply
49,830,146.82x = 68,765,792.74 × 27,804,574.58 - Step 4: Simplify right side
49,830,146.82x = 1,912,003,612,378,812 - Step 5: Solve for x
x = 1,912,003,612,378,812/49,830,146.82 - Step 6: Final answer
x = 38,370,419.00
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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.