Finding the Fourth Proportional to 7,709,901.63, 11,562,329.99 and 3,609,953.69
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Solution
The fourth proportional to 7,709,901.63, 11,562,329.99 and 3,609,953.69 is: 5,413,749.45
Step by Step Solution
- Step 1: Write the proportion equation
7,709,901.63 : 11,562,329.99 = 3,609,953.69 : x - Step 2: Convert to fraction form
7,709,901.63/11,562,329.99 = 3,609,953.69/x - Step 3: Cross multiply
7,709,901.63x = 11,562,329.99 × 3,609,953.69 - Step 4: Simplify right side
7,709,901.63x = 41,739,475,736,536.74 - Step 5: Solve for x
x = 41,739,475,736,536.74/7,709,901.63 - Step 6: Final answer
x = 5,413,749.45
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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.