Finding the Fourth Proportional to 11,986,513.99, 16,537,341.67 and 6,826,221.88
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Solution
The fourth proportional to 11,986,513.99, 16,537,341.67 and 6,826,221.88 is: 9,417,881.10
Step by Step Solution
- Step 1: Write the proportion equation
11,986,513.99 : 16,537,341.67 = 6,826,221.88 : x - Step 2: Convert to fraction form
11,986,513.99/16,537,341.67 = 6,826,221.88/x - Step 3: Cross multiply
11,986,513.99x = 16,537,341.67 × 6,826,221.88 - Step 4: Simplify right side
11,986,513.99x = 112,887,563,486,380.84 - Step 5: Solve for x
x = 112,887,563,486,380.84/11,986,513.99 - Step 6: Final answer
x = 9,417,881.10
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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.