Finding the Fourth Proportional to 10,368,812.85, 15,553,219.28 and 8,227,302.45
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Solution
The fourth proportional to 10,368,812.85, 15,553,219.28 and 8,227,302.45 is: 12,340,953.68
Step by Step Solution
- Step 1: Write the proportion equation
10,368,812.85 : 15,553,219.28 = 8,227,302.45 : x - Step 2: Convert to fraction form
10,368,812.85/15,553,219.28 = 8,227,302.45/x - Step 3: Cross multiply
10,368,812.85x = 15,553,219.28 × 8,227,302.45 - Step 4: Simplify right side
10,368,812.85x = 127,961,039,046,594.73 - Step 5: Solve for x
x = 127,961,039,046,594.73/10,368,812.85 - Step 6: Final answer
x = 12,340,953.68
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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.