Finding the Fourth Proportional to 7,484,213.09, 10,328,194.64 and 4,176,472.64
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Solution
The fourth proportional to 7,484,213.09, 10,328,194.64 and 4,176,472.64 is: 5,763,521.40
Step by Step Solution
- Step 1: Write the proportion equation
7,484,213.09 : 10,328,194.64 = 4,176,472.64 : x - Step 2: Convert to fraction form
7,484,213.09/10,328,194.64 = 4,176,472.64/x - Step 3: Cross multiply
7,484,213.09x = 10,328,194.64 × 4,176,472.64 - Step 4: Simplify right side
7,484,213.09x = 43,135,422,301,150.98 - Step 5: Solve for x
x = 43,135,422,301,150.98/7,484,213.09 - Step 6: Final answer
x = 5,763,521.40
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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.