Finding the Fourth Proportional to 7,886,686.17, 11,831,740.56 and 2,421,799.62
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Solution
The fourth proportional to 7,886,686.17, 11,831,740.56 and 2,421,799.62 is: 3,633,224.93
Step by Step Solution
- Step 1: Write the proportion equation
7,886,686.17 : 11,831,740.56 = 2,421,799.62 : x - Step 2: Convert to fraction form
7,886,686.17/11,831,740.56 = 2,421,799.62/x - Step 3: Cross multiply
7,886,686.17x = 11,831,740.56 × 2,421,799.62 - Step 4: Simplify right side
7,886,686.17x = 28,654,104,792,146.59 - Step 5: Solve for x
x = 28,654,104,792,146.59/7,886,686.17 - Step 6: Final answer
x = 3,633,224.93
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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.