Finding the Fourth Proportional to 13,067,589.62, 18,032,532.96 and 7,266,246.80
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Solution
The fourth proportional to 13,067,589.62, 18,032,532.96 and 7,266,246.80 is: 10,027,008.71
Step by Step Solution
- Step 1: Write the proportion equation
13,067,589.62 : 18,032,532.96 = 7,266,246.80 : x - Step 2: Convert to fraction form
13,067,589.62/18,032,532.96 = 7,266,246.80/x - Step 3: Cross multiply
13,067,589.62x = 18,032,532.96 × 7,266,246.80 - Step 4: Simplify right side
13,067,589.62x = 131,028,834,955,013.30 - Step 5: Solve for x
x = 131,028,834,955,013.30/13,067,589.62 - Step 6: Final answer
x = 10,027,008.71
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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.