Finding the Fourth Proportional to 7,900,660.08, 10,902,877.29 and 4,415,994.18
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Solution
The fourth proportional to 7,900,660.08, 10,902,877.29 and 4,415,994.18 is: 6,094,053.18
Step by Step Solution
- Step 1: Write the proportion equation
7,900,660.08 : 10,902,877.29 = 4,415,994.18 : x - Step 2: Convert to fraction form
7,900,660.08/10,902,877.29 = 4,415,994.18/x - Step 3: Cross multiply
7,900,660.08x = 10,902,877.29 × 4,415,994.18 - Step 4: Simplify right side
7,900,660.08x = 48,147,042,657,894.16 - Step 5: Solve for x
x = 48,147,042,657,894.16/7,900,660.08 - Step 6: Final answer
x = 6,094,053.18
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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.