Finding the Fourth Proportional to 11,367,971.19, 15,687,776.12 and 6,211,369.71
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Solution
The fourth proportional to 11,367,971.19, 15,687,776.12 and 6,211,369.71 is: 8,571,677.02
Step by Step Solution
- Step 1: Write the proportion equation
11,367,971.19 : 15,687,776.12 = 6,211,369.71 : x - Step 2: Convert to fraction form
11,367,971.19/15,687,776.12 = 6,211,369.71/x - Step 3: Cross multiply
11,367,971.19x = 15,687,776.12 × 6,211,369.71 - Step 4: Simplify right side
11,367,971.19x = 97,442,577,377,972.48 - Step 5: Solve for x
x = 97,442,577,377,972.48/11,367,971.19 - Step 6: Final answer
x = 8,571,677.02
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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.