Finding the Fourth Proportional to 7,623,962.62, 10,521,068.47 and 4,186,203.65
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Solution
The fourth proportional to 7,623,962.62, 10,521,068.47 and 4,186,203.65 is: 5,776,961.07
Step by Step Solution
- Step 1: Write the proportion equation
7,623,962.62 : 10,521,068.47 = 4,186,203.65 : x - Step 2: Convert to fraction form
7,623,962.62/10,521,068.47 = 4,186,203.65/x - Step 3: Cross multiply
7,623,962.62x = 10,521,068.47 × 4,186,203.65 - Step 4: Simplify right side
7,623,962.62x = 44,043,335,207,397.07 - Step 5: Solve for x
x = 44,043,335,207,397.07/7,623,962.62 - Step 6: Final answer
x = 5,776,961.07
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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.