Finding the Fourth Proportional to 7,249,552.82, 10,004,040.38 and 3,986,505.08
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Solution
The fourth proportional to 7,249,552.82, 10,004,040.38 and 3,986,505.08 is: 5,501,188.66
Step by Step Solution
- Step 1: Write the proportion equation
7,249,552.82 : 10,004,040.38 = 3,986,505.08 : x - Step 2: Convert to fraction form
7,249,552.82/10,004,040.38 = 3,986,505.08/x - Step 3: Cross multiply
7,249,552.82x = 10,004,040.38 × 3,986,505.08 - Step 4: Simplify right side
7,249,552.82x = 39,881,157,795,395.13 - Step 5: Solve for x
x = 39,881,157,795,395.13/7,249,552.82 - Step 6: Final answer
x = 5,501,188.66
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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.