Finding the Fourth Proportional to 12,313,994.84, 16,991,840.74 and 6,806,625.88
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Solution
The fourth proportional to 12,313,994.84, 16,991,840.74 and 6,806,625.88 is: 9,392,329.98
Step by Step Solution
- Step 1: Write the proportion equation
12,313,994.84 : 16,991,840.74 = 6,806,625.88 : x - Step 2: Convert to fraction form
12,313,994.84/16,991,840.74 = 6,806,625.88/x - Step 3: Cross multiply
12,313,994.84x = 16,991,840.74 × 6,806,625.88 - Step 4: Simplify right side
12,313,994.84x = 115,657,102,929,722.34 - Step 5: Solve for x
x = 115,657,102,929,722.34/12,313,994.84 - Step 6: Final answer
x = 9,392,329.98
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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.