Finding the Fourth Proportional to 11,225,959.13, 15,490,895.69 and 6,332,383.98
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Solution
The fourth proportional to 11,225,959.13, 15,490,895.69 and 6,332,383.98 is: 8,738,166.47
Step by Step Solution
- Step 1: Write the proportion equation
11,225,959.13 : 15,490,895.69 = 6,332,383.98 : x - Step 2: Convert to fraction form
11,225,959.13/15,490,895.69 = 6,332,383.98/x - Step 3: Cross multiply
11,225,959.13x = 15,490,895.69 × 6,332,383.98 - Step 4: Simplify right side
11,225,959.13x = 98,094,299,719,038.02 - Step 5: Solve for x
x = 98,094,299,719,038.02/11,225,959.13 - Step 6: Final answer
x = 8,738,166.47
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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.