Finding the Fourth Proportional to 12,213,097.92, 16,853,417.28 and 6,780,240
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Solution
The fourth proportional to 12,213,097.92, 16,853,417.28 and 6,780,240 is: 9,356,365.99
Step by Step Solution
- Step 1: Write the proportion equation
12,213,097.92 : 16,853,417.28 = 6,780,240 : x - Step 2: Convert to fraction form
12,213,097.92/16,853,417.28 = 6,780,240/x - Step 3: Cross multiply
12,213,097.92x = 16,853,417.28 × 6,780,240 - Step 4: Simplify right side
12,213,097.92x = 114,270,213,978,547.20 - Step 5: Solve for x
x = 114,270,213,978,547.20/12,213,097.92 - Step 6: Final answer
x = 9,356,365.99
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1.5x scale
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.