Finding the Fourth Proportional to 11,986,516.98, 16,537,345.80 and 6,826,224.87
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Solution
The fourth proportional to 11,986,516.98, 16,537,345.80 and 6,826,224.87 is: 9,417,885.23
Step by Step Solution
- Step 1: Write the proportion equation
11,986,516.98 : 16,537,345.80 = 6,826,224.87 : x - Step 2: Convert to fraction form
11,986,516.98/16,537,345.80 = 6,826,224.87/x - Step 3: Cross multiply
11,986,516.98x = 16,537,345.80 × 6,826,224.87 - Step 4: Simplify right side
11,986,516.98x = 112,887,641,183,750.05 - Step 5: Solve for x
x = 112,887,641,183,750.05/11,986,516.98 - Step 6: Final answer
x = 9,417,885.23
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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.