Finding the Fourth Proportional to 10,119,994.99, 15,179,980.68 and 3,296,557.16
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Solution
The fourth proportional to 10,119,994.99, 15,179,980.68 and 3,296,557.16 is: 4,944,831.90
Step by Step Solution
- Step 1: Write the proportion equation
10,119,994.99 : 15,179,980.68 = 3,296,557.16 : x - Step 2: Convert to fraction form
10,119,994.99/15,179,980.68 = 3,296,557.16/x - Step 3: Cross multiply
10,119,994.99x = 15,179,980.68 × 3,296,557.16 - Step 4: Simplify right side
10,119,994.99x = 50,041,673,999,315.67 - Step 5: Solve for x
x = 50,041,673,999,315.67/10,119,994.99 - Step 6: Final answer
x = 4,944,831.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.