Finding the Fourth Proportional to 11,641,405.79, 16,065,637.05 and 6,484,770.83
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Solution
The fourth proportional to 11,641,405.79, 16,065,637.05 and 6,484,770.83 is: 8,949,260.63
Step by Step Solution
- Step 1: Write the proportion equation
11,641,405.79 : 16,065,637.05 = 6,484,770.83 : x - Step 2: Convert to fraction form
11,641,405.79/16,065,637.05 = 6,484,770.83/x - Step 3: Cross multiply
11,641,405.79x = 16,065,637.05 × 6,484,770.83 - Step 4: Simplify right side
11,641,405.79x = 104,181,974,426,879.08 - Step 5: Solve for x
x = 104,181,974,426,879.08/11,641,405.79 - Step 6: Final answer
x = 8,949,260.63
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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.