Finding the Fourth Proportional to 8,827,855.68, 12,182,052.24 and 5,157,112.08
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Solution
The fourth proportional to 8,827,855.68, 12,182,052.24 and 5,157,112.08 is: 7,116,587.66
Step by Step Solution
- Step 1: Write the proportion equation
8,827,855.68 : 12,182,052.24 = 5,157,112.08 : x - Step 2: Convert to fraction form
8,827,855.68/12,182,052.24 = 5,157,112.08/x - Step 3: Cross multiply
8,827,855.68x = 12,182,052.24 × 5,157,112.08 - Step 4: Simplify right side
8,827,855.68x = 62,824,208,766,095.06 - Step 5: Solve for x
x = 62,824,208,766,095.06/8,827,855.68 - Step 6: Final answer
x = 7,116,587.66
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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.