Finding the Fourth Proportional to 18,361,401.60, 27,518,482.80 and 11,165,296.80
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Solution
The fourth proportional to 18,361,401.60, 27,518,482.80 and 11,165,296.80 is: 16,733,582.47
Step by Step Solution
- Step 1: Write the proportion equation
18,361,401.60 : 27,518,482.80 = 11,165,296.80 : x - Step 2: Convert to fraction form
18,361,401.60/27,518,482.80 = 11,165,296.80/x - Step 3: Cross multiply
18,361,401.60x = 27,518,482.80 × 11,165,296.80 - Step 4: Simplify right side
18,361,401.60x = 307,252,027,947,695.06 - Step 5: Solve for x
x = 307,252,027,947,695.06/18,361,401.60 - Step 6: Final answer
x = 16,733,582.47
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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.