Finding the Fourth Proportional to 7,881,807.06, 10,876,893.84 and 4,260,135.06
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Solution
The fourth proportional to 7,881,807.06, 10,876,893.84 and 4,260,135.06 is: 5,878,986.44
Step by Step Solution
- Step 1: Write the proportion equation
7,881,807.06 : 10,876,893.84 = 4,260,135.06 : x - Step 2: Convert to fraction form
7,881,807.06/10,876,893.84 = 4,260,135.06/x - Step 3: Cross multiply
7,881,807.06x = 10,876,893.84 × 4,260,135.06 - Step 4: Simplify right side
7,881,807.06x = 46,337,036,791,682.02 - Step 5: Solve for x
x = 46,337,036,791,682.02/7,881,807.06 - Step 6: Final answer
x = 5,878,986.44
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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.