Finding the Fourth Proportional to 7,010,628.63, 9,674,643.42 and 3,913,125.15
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Solution
The fourth proportional to 7,010,628.63, 9,674,643.42 and 3,913,125.15 is: 5,400,099.26
Step by Step Solution
- Step 1: Write the proportion equation
7,010,628.63 : 9,674,643.42 = 3,913,125.15 : x - Step 2: Convert to fraction form
7,010,628.63/9,674,643.42 = 3,913,125.15/x - Step 3: Cross multiply
7,010,628.63x = 9,674,643.42 × 3,913,125.15 - Step 4: Simplify right side
7,010,628.63x = 37,858,090,484,084.02 - Step 5: Solve for x
x = 37,858,090,484,084.02/7,010,628.63 - Step 6: Final answer
x = 5,400,099.26
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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.