Finding the Fourth Proportional to 12,209,298.12, 16,848,789.75 and 6,702,535.80
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Solution
The fourth proportional to 12,209,298.12, 16,848,789.75 and 6,702,535.80 is: 9,249,476.54
Step by Step Solution
- Step 1: Write the proportion equation
12,209,298.12 : 16,848,789.75 = 6,702,535.80 : x - Step 2: Convert to fraction form
12,209,298.12/16,848,789.75 = 6,702,535.80/x - Step 3: Cross multiply
12,209,298.12x = 16,848,789.75 × 6,702,535.80 - Step 4: Simplify right side
12,209,298.12x = 112,929,616,486,048.05 - Step 5: Solve for x
x = 112,929,616,486,048.05/12,209,298.12 - Step 6: Final answer
x = 9,249,476.54
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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.