Finding the Fourth Proportional to 10,558,490.74, 14,570,717.21 and 5,729,594.74
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Solution
The fourth proportional to 10,558,490.74, 14,570,717.21 and 5,729,594.74 is: 7,906,840.73
Step by Step Solution
- Step 1: Write the proportion equation
10,558,490.74 : 14,570,717.21 = 5,729,594.74 : x - Step 2: Convert to fraction form
10,558,490.74/14,570,717.21 = 5,729,594.74/x - Step 3: Cross multiply
10,558,490.74x = 14,570,717.21 × 5,729,594.74 - Step 4: Simplify right side
10,558,490.74x = 83,484,304,625,913.89 - Step 5: Solve for x
x = 83,484,304,625,913.89/10,558,490.74 - Step 6: Final answer
x = 7,906,840.73
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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.