Finding the Fourth Proportional to 7,390,827.85, 11,017,924.11 and 7,274,353.70
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Solution
The fourth proportional to 7,390,827.85, 11,017,924.11 and 7,274,353.70 is: 10,844,289.52
Step by Step Solution
- Step 1: Write the proportion equation
7,390,827.85 : 11,017,924.11 = 7,274,353.70 : x - Step 2: Convert to fraction form
7,390,827.85/11,017,924.11 = 7,274,353.70/x - Step 3: Cross multiply
7,390,827.85x = 11,017,924.11 × 7,274,353.70 - Step 4: Simplify right side
7,390,827.85x = 80,148,277,015,897.70 - Step 5: Solve for x
x = 80,148,277,015,897.70/7,390,827.85 - Step 6: Final answer
x = 10,844,289.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.