Finding the Fourth Proportional to 11,360,453.44, 15,678,771.04 and 6,399,058.08
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Solution
The fourth proportional to 11,360,453.44, 15,678,771.04 and 6,399,058.08 is: 8,831,457.92
Step by Step Solution
- Step 1: Write the proportion equation
11,360,453.44 : 15,678,771.04 = 6,399,058.08 : x - Step 2: Convert to fraction form
11,360,453.44/15,678,771.04 = 6,399,058.08/x - Step 3: Cross multiply
11,360,453.44x = 15,678,771.04 × 6,399,058.08 - Step 4: Simplify right side
11,360,453.44x = 100,329,366,507,982 - Step 5: Solve for x
x = 100,329,366,507,982/11,360,453.44 - Step 6: Final answer
x = 8,831,457.92
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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.