Finding the Fourth Proportional to 7,390,695.91, 11,017,727.36 and 7,274,221.75
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Solution
The fourth proportional to 7,390,695.91, 11,017,727.36 and 7,274,221.75 is: 10,844,092.76
Step by Step Solution
- Step 1: Write the proportion equation
7,390,695.91 : 11,017,727.36 = 7,274,221.75 : x - Step 2: Convert to fraction form
7,390,695.91/11,017,727.36 = 7,274,221.75/x - Step 3: Cross multiply
7,390,695.91x = 11,017,727.36 × 7,274,221.75 - Step 4: Simplify right side
7,390,695.91x = 80,145,391,997,682.08 - Step 5: Solve for x
x = 80,145,391,997,682.08/7,390,695.91 - Step 6: Final answer
x = 10,844,092.76
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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.