Finding the Fourth Proportional to 13,067,595.81, 18,032,541.48 and 7,266,252.99
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Solution
The fourth proportional to 13,067,595.81, 18,032,541.48 and 7,266,252.99 is: 10,027,017.24
Step by Step Solution
- Step 1: Write the proportion equation
13,067,595.81 : 18,032,541.48 = 7,266,252.99 : x - Step 2: Convert to fraction form
13,067,595.81/18,032,541.48 = 7,266,252.99/x - Step 3: Cross multiply
13,067,595.81x = 18,032,541.48 × 7,266,252.99 - Step 4: Simplify right side
13,067,595.81x = 131,029,008,446,349.03 - Step 5: Solve for x
x = 131,029,008,446,349.03/13,067,595.81 - Step 6: Final answer
x = 10,027,017.24
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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.