Finding the Fourth Proportional to 7,368,330.42, 11,051,977.74 and 2,756,437.06
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Solution
The fourth proportional to 7,368,330.42, 11,051,977.74 and 2,756,437.06 is: 4,134,461.85
Step by Step Solution
- Step 1: Write the proportion equation
7,368,330.42 : 11,051,977.74 = 2,756,437.06 : x - Step 2: Convert to fraction form
7,368,330.42/11,051,977.74 = 2,756,437.06/x - Step 3: Cross multiply
7,368,330.42x = 11,051,977.74 × 2,756,437.06 - Step 4: Simplify right side
7,368,330.42x = 30,464,081,028,831.05 - Step 5: Solve for x
x = 30,464,081,028,831.05/7,368,330.42 - Step 6: Final answer
x = 4,134,461.85
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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.