Finding the Fourth Proportional to 10,864,922.76, 14,993,544.18 and 5,970,130.62
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Solution
The fourth proportional to 10,864,922.76, 14,993,544.18 and 5,970,130.62 is: 8,238,753.21
Step by Step Solution
- Step 1: Write the proportion equation
10,864,922.76 : 14,993,544.18 = 5,970,130.62 : x - Step 2: Convert to fraction form
10,864,922.76/14,993,544.18 = 5,970,130.62/x - Step 3: Cross multiply
10,864,922.76x = 14,993,544.18 × 5,970,130.62 - Step 4: Simplify right side
10,864,922.76x = 89,513,417,211,340.80 - Step 5: Solve for x
x = 89,513,417,211,340.80/10,864,922.76 - Step 6: Final answer
x = 8,238,753.21
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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.