Finding the Fourth Proportional to 10,558,497.75, 14,570,726.90 and 5,729,601.75
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Solution
The fourth proportional to 10,558,497.75, 14,570,726.90 and 5,729,601.75 is: 7,906,850.42
Step by Step Solution
- Step 1: Write the proportion equation
10,558,497.75 : 14,570,726.90 = 5,729,601.75 : x - Step 2: Convert to fraction form
10,558,497.75/14,570,726.90 = 5,729,601.75/x - Step 3: Cross multiply
10,558,497.75x = 14,570,726.90 × 5,729,601.75 - Step 4: Simplify right side
10,558,497.75x = 83,484,462,381,438.91 - Step 5: Solve for x
x = 83,484,462,381,438.91/10,558,497.75 - Step 6: Final answer
x = 7,906,850.42
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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.