Finding the Fourth Proportional to 13,067,592.80, 18,032,537.36 and 7,266,249.98
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Solution
The fourth proportional to 13,067,592.80, 18,032,537.36 and 7,266,249.98 is: 10,027,013.10
Step by Step Solution
- Step 1: Write the proportion equation
13,067,592.80 : 18,032,537.36 = 7,266,249.98 : x - Step 2: Convert to fraction form
13,067,592.80/18,032,537.36 = 7,266,249.98/x - Step 3: Cross multiply
13,067,592.80x = 18,032,537.36 × 7,266,249.98 - Step 4: Simplify right side
13,067,592.80x = 131,028,924,104,955.31 - Step 5: Solve for x
x = 131,028,924,104,955.31/13,067,592.80 - Step 6: Final answer
x = 10,027,013.10
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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.