Finding the Fourth Proportional to 11,363,463.21, 15,680,880.93 and 6,205,778.49
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Solution
The fourth proportional to 11,363,463.21, 15,680,880.93 and 6,205,778.49 is: 8,563,592.96
Step by Step Solution
- Step 1: Write the proportion equation
11,363,463.21 : 15,680,880.93 = 6,205,778.49 : x - Step 2: Convert to fraction form
11,363,463.21/15,680,880.93 = 6,205,778.49/x - Step 3: Cross multiply
11,363,463.21x = 15,680,880.93 × 6,205,778.49 - Step 4: Simplify right side
11,363,463.21x = 97,312,073,579,645.20 - Step 5: Solve for x
x = 97,312,073,579,645.20/11,363,463.21 - Step 6: Final answer
x = 8,563,592.96
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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.