Finding the Fourth Proportional to 7,843,990.08, 11,766,663.70 and 2,164,213.79
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Solution
The fourth proportional to 7,843,990.08, 11,766,663.70 and 2,164,213.79 is: 3,246,507.90
Step by Step Solution
- Step 1: Write the proportion equation
7,843,990.08 : 11,766,663.70 = 2,164,213.79 : x - Step 2: Convert to fraction form
7,843,990.08/11,766,663.70 = 2,164,213.79/x - Step 3: Cross multiply
7,843,990.08x = 11,766,663.70 × 2,164,213.79 - Step 4: Simplify right side
7,843,990.08x = 25,465,575,772,178.04 - Step 5: Solve for x
x = 25,465,575,772,178.04/7,843,990.08 - Step 6: Final answer
x = 3,246,507.90
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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.