Finding the Fourth Proportional to 11,830,541.43, 16,326,903.21 and 6,672,020.79
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Solution
The fourth proportional to 11,830,541.43, 16,326,903.21 and 6,672,020.79 is: 9,207,815.07
Step by Step Solution
- Step 1: Write the proportion equation
11,830,541.43 : 16,326,903.21 = 6,672,020.79 : x - Step 2: Convert to fraction form
11,830,541.43/16,326,903.21 = 6,672,020.79/x - Step 3: Cross multiply
11,830,541.43x = 16,326,903.21 × 6,672,020.79 - Step 4: Simplify right side
11,830,541.43x = 108,933,437,653,437.75 - Step 5: Solve for x
x = 108,933,437,653,437.75/11,830,541.43 - Step 6: Final answer
x = 9,207,815.07
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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.