Finding the Fourth Proportional to 11,727,225.97, 16,183,543.91 and 6,428,911.55
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Solution
The fourth proportional to 11,727,225.97, 16,183,543.91 and 6,428,911.55 is: 8,871,882.62
Step by Step Solution
- Step 1: Write the proportion equation
11,727,225.97 : 16,183,543.91 = 6,428,911.55 : x - Step 2: Convert to fraction form
11,727,225.97/16,183,543.91 = 6,428,911.55/x - Step 3: Cross multiply
11,727,225.97x = 16,183,543.91 × 6,428,911.55 - Step 4: Simplify right side
11,727,225.97x = 104,042,572,249,868.88 - Step 5: Solve for x
x = 104,042,572,249,868.88/11,727,225.97 - Step 6: Final answer
x = 8,871,882.62
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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.