Finding the Fourth Proportional to 18,006,547.14, 27,009,889.97 and 4,359,670.79
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Solution
The fourth proportional to 18,006,547.14, 27,009,889.97 and 4,359,670.79 is: 6,539,522.95
Step by Step Solution
- Step 1: Write the proportion equation
18,006,547.14 : 27,009,889.97 = 4,359,670.79 : x - Step 2: Convert to fraction form
18,006,547.14/27,009,889.97 = 4,359,670.79/x - Step 3: Cross multiply
18,006,547.14x = 27,009,889.97 × 4,359,670.79 - Step 4: Simplify right side
18,006,547.14x = 117,754,228,186,475.17 - Step 5: Solve for x
x = 117,754,228,186,475.17/18,006,547.14 - Step 6: Final answer
x = 6,539,522.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.