Finding the Fourth Proportional to 11,236,898.43, 15,517,398.66 and 8,270,710.29
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Solution
The fourth proportional to 11,236,898.43, 15,517,398.66 and 8,270,710.29 is: 11,421,292.95
Step by Step Solution
- Step 1: Write the proportion equation
11,236,898.43 : 15,517,398.66 = 8,270,710.29 : x - Step 2: Convert to fraction form
11,236,898.43/15,517,398.66 = 8,270,710.29/x - Step 3: Cross multiply
11,236,898.43x = 15,517,398.66 × 8,270,710.29 - Step 4: Simplify right side
11,236,898.43x = 128,339,908,771,294.22 - Step 5: Solve for x
x = 128,339,908,771,294.22/11,236,898.43 - Step 6: Final answer
x = 11,421,292.95
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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.