Finding the Fourth Proportional to 7,040,138.56, 10,558,516.56 and 3,249,980.08
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Solution
The fourth proportional to 7,040,138.56, 10,558,516.56 and 3,249,980.08 is: 4,874,189.36
Step by Step Solution
- Step 1: Write the proportion equation
7,040,138.56 : 10,558,516.56 = 3,249,980.08 : x - Step 2: Convert to fraction form
7,040,138.56/10,558,516.56 = 3,249,980.08/x - Step 3: Cross multiply
7,040,138.56x = 10,558,516.56 × 3,249,980.08 - Step 4: Simplify right side
7,040,138.56x = 34,314,968,494,350.13 - Step 5: Solve for x
x = 34,314,968,494,350.13/7,040,138.56 - Step 6: Final answer
x = 4,874,189.36
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1.5x scale
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.