Finding the Fourth Proportional to 8,476,848.36, 11,702,385.38 and 6,538,758.12
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Solution
The fourth proportional to 8,476,848.36, 11,702,385.38 and 6,538,758.12 is: 9,026,829.80
Step by Step Solution
- Step 1: Write the proportion equation
8,476,848.36 : 11,702,385.38 = 6,538,758.12 : x - Step 2: Convert to fraction form
8,476,848.36/11,702,385.38 = 6,538,758.12/x - Step 3: Cross multiply
8,476,848.36x = 11,702,385.38 × 6,538,758.12 - Step 4: Simplify right side
8,476,848.36x = 76,519,067,426,844.30 - Step 5: Solve for x
x = 76,519,067,426,844.30/8,476,848.36 - Step 6: Final answer
x = 9,026,829.80
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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.