Finding the Fourth Proportional to 7,468,837.52, 10,307,977.99 and 4,206,290.06
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Solution
The fourth proportional to 7,468,837.52, 10,307,977.99 and 4,206,290.06 is: 5,805,233.44
Step by Step Solution
- Step 1: Write the proportion equation
7,468,837.52 : 10,307,977.99 = 4,206,290.06 : x - Step 2: Convert to fraction form
7,468,837.52/10,307,977.99 = 4,206,290.06/x - Step 3: Cross multiply
7,468,837.52x = 10,307,977.99 × 4,206,290.06 - Step 4: Simplify right side
7,468,837.52x = 43,358,345,315,307.62 - Step 5: Solve for x
x = 43,358,345,315,307.62/7,468,837.52 - Step 6: Final answer
x = 5,805,233.44
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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.