Finding the Fourth Proportional to 7,296,643.08, 10,071,295.92 and 4,199,547.60
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Solution
The fourth proportional to 7,296,643.08, 10,071,295.92 and 4,199,547.60 is: 5,796,485.61
Step by Step Solution
- Step 1: Write the proportion equation
7,296,643.08 : 10,071,295.92 = 4,199,547.60 : x - Step 2: Convert to fraction form
7,296,643.08/10,071,295.92 = 4,199,547.60/x - Step 3: Cross multiply
7,296,643.08x = 10,071,295.92 × 4,199,547.60 - Step 4: Simplify right side
7,296,643.08x = 42,294,886,609,725.79 - Step 5: Solve for x
x = 42,294,886,609,725.79/7,296,643.08 - Step 6: Final answer
x = 5,796,485.61
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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.