Finding the Fourth Proportional to 10,197,537.30, 15,311,381.64 and 6,806,948.58
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Solution
The fourth proportional to 10,197,537.30, 15,311,381.64 and 6,806,948.58 is: 10,220,486.03
Step by Step Solution
- Step 1: Write the proportion equation
10,197,537.30 : 15,311,381.64 = 6,806,948.58 : x - Step 2: Convert to fraction form
10,197,537.30/15,311,381.64 = 6,806,948.58/x - Step 3: Cross multiply
10,197,537.30x = 15,311,381.64 × 6,806,948.58 - Step 4: Simplify right side
10,197,537.30x = 104,223,787,512,236.08 - Step 5: Solve for x
x = 104,223,787,512,236.08/10,197,537.30 - Step 6: Final answer
x = 10,220,486.03
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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.