Finding the Fourth Proportional to 10,475,893.68, 14,456,519.11 and 6,557,810.75
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Solution
The fourth proportional to 10,475,893.68, 14,456,519.11 and 6,557,810.75 is: 9,049,644.77
Step by Step Solution
- Step 1: Write the proportion equation
10,475,893.68 : 14,456,519.11 = 6,557,810.75 : x - Step 2: Convert to fraction form
10,475,893.68/14,456,519.11 = 6,557,810.75/x - Step 3: Cross multiply
10,475,893.68x = 14,456,519.11 × 6,557,810.75 - Step 4: Simplify right side
10,475,893.68x = 94,803,116,427,138.42 - Step 5: Solve for x
x = 94,803,116,427,138.42/10,475,893.68 - Step 6: Final answer
x = 9,049,644.77
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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.