Finding the Fourth Proportional to 6,313,726.67, 8,715,312.16 and 4,138,409.95
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Solution
The fourth proportional to 6,313,726.67, 8,715,312.16 and 4,138,409.95 is: 5,712,558.75
Step by Step Solution
- Step 1: Write the proportion equation
6,313,726.67 : 8,715,312.16 = 4,138,409.95 : x - Step 2: Convert to fraction form
6,313,726.67/8,715,312.16 = 4,138,409.95/x - Step 3: Cross multiply
6,313,726.67x = 8,715,312.16 × 4,138,409.95 - Step 4: Simplify right side
6,313,726.67x = 36,067,534,528,165.69 - Step 5: Solve for x
x = 36,067,534,528,165.69/6,313,726.67 - Step 6: Final answer
x = 5,712,558.75
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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.