Finding the Fourth Proportional to 9,993,812.59, 13,791,465.99 and 5,410,133.96
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Solution
The fourth proportional to 9,993,812.59, 13,791,465.99 and 5,410,133.96 is: 7,465,987.37
Step by Step Solution
- Step 1: Write the proportion equation
9,993,812.59 : 13,791,465.99 = 5,410,133.96 : x - Step 2: Convert to fraction form
9,993,812.59/13,791,465.99 = 5,410,133.96/x - Step 3: Cross multiply
9,993,812.59x = 13,791,465.99 × 5,410,133.96 - Step 4: Simplify right side
9,993,812.59x = 74,613,678,562,260.14 - Step 5: Solve for x
x = 74,613,678,562,260.14/9,993,812.59 - Step 6: Final answer
x = 7,465,987.37
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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.