Finding the Fourth Proportional to 8,743,397.16, 13,115,970.60 and 2,678,058.84
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Solution
The fourth proportional to 8,743,397.16, 13,115,970.60 and 2,678,058.84 is: 4,017,356.23
Step by Step Solution
- Step 1: Write the proportion equation
8,743,397.16 : 13,115,970.60 = 2,678,058.84 : x - Step 2: Convert to fraction form
8,743,397.16/13,115,970.60 = 2,678,058.84/x - Step 3: Cross multiply
8,743,397.16x = 13,115,970.60 × 2,678,058.84 - Step 4: Simplify right side
8,743,397.16x = 35,125,341,010,510.10 - Step 5: Solve for x
x = 35,125,341,010,510.10/8,743,397.16 - Step 6: Final answer
x = 4,017,356.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.