Finding the Fourth Proportional to 11,442,553.84, 15,791,009.15 and 6,215,560.46
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Solution
The fourth proportional to 11,442,553.84, 15,791,009.15 and 6,215,560.46 is: 8,577,628.16
Step by Step Solution
- Step 1: Write the proportion equation
11,442,553.84 : 15,791,009.15 = 6,215,560.46 : x - Step 2: Convert to fraction form
11,442,553.84/15,791,009.15 = 6,215,560.46/x - Step 3: Cross multiply
11,442,553.84x = 15,791,009.15 × 6,215,560.46 - Step 4: Simplify right side
11,442,553.84x = 98,149,972,032,822.06 - Step 5: Solve for x
x = 98,149,972,032,822.06/11,442,553.84 - Step 6: Final answer
x = 8,577,628.16
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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.