Finding the Fourth Proportional to 11,389,277.12, 15,717,896.57 and 6,495,443.62
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Solution
The fourth proportional to 11,389,277.12, 15,717,896.57 and 6,495,443.62 is: 8,964,108.08
Step by Step Solution
- Step 1: Write the proportion equation
11,389,277.12 : 15,717,896.57 = 6,495,443.62 : x - Step 2: Convert to fraction form
11,389,277.12/15,717,896.57 = 6,495,443.62/x - Step 3: Cross multiply
11,389,277.12x = 15,717,896.57 × 6,495,443.62 - Step 4: Simplify right side
11,389,277.12x = 102,094,710,972,370.25 - Step 5: Solve for x
x = 102,094,710,972,370.25/11,389,277.12 - Step 6: Final answer
x = 8,964,108.08
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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.