Finding the Fourth Proportional to 11,826,511.11, 16,319,607.84 and 6,671,139.75
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Solution
The fourth proportional to 11,826,511.11, 16,319,607.84 and 6,671,139.75 is: 9,205,621.47
Step by Step Solution
- Step 1: Write the proportion equation
11,826,511.11 : 16,319,607.84 = 6,671,139.75 : x - Step 2: Convert to fraction form
11,826,511.11/16,319,607.84 = 6,671,139.75/x - Step 3: Cross multiply
11,826,511.11x = 16,319,607.84 × 6,671,139.75 - Step 4: Simplify right side
11,826,511.11x = 108,870,384,565,835.64 - Step 5: Solve for x
x = 108,870,384,565,835.64/11,826,511.11 - Step 6: Final answer
x = 9,205,621.47
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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.