Finding the Fourth Proportional to 13,039,506.08, 17,993,618.26 and 7,237,831.12
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Solution
The fourth proportional to 13,039,506.08, 17,993,618.26 and 7,237,831.12 is: 9,987,707.31
Step by Step Solution
- Step 1: Write the proportion equation
13,039,506.08 : 17,993,618.26 = 7,237,831.12 : x - Step 2: Convert to fraction form
13,039,506.08/17,993,618.26 = 7,237,831.12/x - Step 3: Cross multiply
13,039,506.08x = 17,993,618.26 × 7,237,831.12 - Step 4: Simplify right side
13,039,506.08x = 130,234,770,140,549.62 - Step 5: Solve for x
x = 130,234,770,140,549.62/13,039,506.08 - Step 6: Final answer
x = 9,987,707.31
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1.5x scale
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.