Finding the Fourth Proportional to 7,905,746.16, 11,858,494.32 and 2,514,318.84
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Solution
The fourth proportional to 7,905,746.16, 11,858,494.32 and 2,514,318.84 is: 3,771,438.53
Step by Step Solution
- Step 1: Write the proportion equation
7,905,746.16 : 11,858,494.32 = 2,514,318.84 : x - Step 2: Convert to fraction form
7,905,746.16/11,858,494.32 = 2,514,318.84/x - Step 3: Cross multiply
7,905,746.16x = 11,858,494.32 × 2,514,318.84 - Step 4: Simplify right side
7,905,746.16x = 29,816,035,682,808.99 - Step 5: Solve for x
x = 29,816,035,682,808.99/7,905,746.16 - Step 6: Final answer
x = 3,771,438.53
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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.