Finding the Fourth Proportional to 7,400,285.34, 11,102,343.45 and 2,282,603.28
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Solution
The fourth proportional to 7,400,285.34, 11,102,343.45 and 2,282,603.28 is: 3,424,495.73
Step by Step Solution
- Step 1: Write the proportion equation
7,400,285.34 : 11,102,343.45 = 2,282,603.28 : x - Step 2: Convert to fraction form
7,400,285.34/11,102,343.45 = 2,282,603.28/x - Step 3: Cross multiply
7,400,285.34x = 11,102,343.45 × 2,282,603.28 - Step 4: Simplify right side
7,400,285.34x = 25,342,245,574,656.51 - Step 5: Solve for x
x = 25,342,245,574,656.51/7,400,285.34 - Step 6: Final answer
x = 3,424,495.73
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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.