Finding the Fourth Proportional to 7,873,485.62, 10,865,640.42 and 4,609,994.99
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Solution
The fourth proportional to 7,873,485.62, 10,865,640.42 and 4,609,994.99 is: 6,361,927.91
Step by Step Solution
- Step 1: Write the proportion equation
7,873,485.62 : 10,865,640.42 = 4,609,994.99 : x - Step 2: Convert to fraction form
7,873,485.62/10,865,640.42 = 4,609,994.99/x - Step 3: Cross multiply
7,873,485.62x = 10,865,640.42 × 4,609,994.99 - Step 4: Simplify right side
7,873,485.62x = 50,090,547,845,013.30 - Step 5: Solve for x
x = 50,090,547,845,013.30/7,873,485.62 - Step 6: Final answer
x = 6,361,927.91
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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.