Finding the Fourth Proportional to 7,038,998.54, 9,713,817.99 and 3,819,734.54
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Solution
The fourth proportional to 7,038,998.54, 9,713,817.99 and 3,819,734.54 is: 5,271,233.67
Step by Step Solution
- Step 1: Write the proportion equation
7,038,998.54 : 9,713,817.99 = 3,819,734.54 : x - Step 2: Convert to fraction form
7,038,998.54/9,713,817.99 = 3,819,734.54/x - Step 3: Cross multiply
7,038,998.54x = 9,713,817.99 × 3,819,734.54 - Step 4: Simplify right side
7,038,998.54x = 37,104,206,115,960.92 - Step 5: Solve for x
x = 37,104,206,115,960.92/7,038,998.54 - Step 6: Final answer
x = 5,271,233.67
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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.