Finding the Fourth Proportional to 7,879,569.99, 10,873,972.65 and 4,441,811.01
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Solution
The fourth proportional to 7,879,569.99, 10,873,972.65 and 4,441,811.01 is: 6,129,792.81
Step by Step Solution
- Step 1: Write the proportion equation
7,879,569.99 : 10,873,972.65 = 4,441,811.01 : x - Step 2: Convert to fraction form
7,879,569.99/10,873,972.65 = 4,441,811.01/x - Step 3: Cross multiply
7,879,569.99x = 10,873,972.65 × 4,441,811.01 - Step 4: Simplify right side
7,879,569.99x = 48,300,131,439,208.88 - Step 5: Solve for x
x = 48,300,131,439,208.88/7,879,569.99 - Step 6: Final answer
x = 6,129,792.81
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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.