Finding the Fourth Proportional to 7,623,970.93, 10,521,079.93 and 4,186,211.97
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Solution
The fourth proportional to 7,623,970.93, 10,521,079.93 and 4,186,211.97 is: 5,776,972.54
Step by Step Solution
- Step 1: Write the proportion equation
7,623,970.93 : 10,521,079.93 = 4,186,211.97 : x - Step 2: Convert to fraction form
7,623,970.93/10,521,079.93 = 4,186,211.97/x - Step 3: Cross multiply
7,623,970.93x = 10,521,079.93 × 4,186,211.97 - Step 4: Simplify right side
7,623,970.93x = 44,043,470,740,292.77 - Step 5: Solve for x
x = 44,043,470,740,292.77/7,623,970.93 - Step 6: Final answer
x = 5,776,972.54
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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.