Finding the Fourth Proportional to 21,601,841.40, 32,402,794.91 and 8,822,346.12
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Solution
The fourth proportional to 21,601,841.40, 32,402,794.91 and 8,822,346.12 is: 13,233,532.58
Step by Step Solution
- Step 1: Write the proportion equation
21,601,841.40 : 32,402,794.91 = 8,822,346.12 : x - Step 2: Convert to fraction form
21,601,841.40/32,402,794.91 = 8,822,346.12/x - Step 3: Cross multiply
21,601,841.40x = 32,402,794.91 × 8,822,346.12 - Step 4: Simplify right side
21,601,841.40x = 285,868,671,907,282.50 - Step 5: Solve for x
x = 285,868,671,907,282.50/21,601,841.40 - Step 6: Final answer
x = 13,233,532.58
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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.