Finding the Fourth Proportional to 13,233,349.80, 19,853,480.70 and 4,258,117.80
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Solution
The fourth proportional to 13,233,349.80, 19,853,480.70 and 4,258,117.80 is: 6,388,288.74
Step by Step Solution
- Step 1: Write the proportion equation
13,233,349.80 : 19,853,480.70 = 4,258,117.80 : x - Step 2: Convert to fraction form
13,233,349.80/19,853,480.70 = 4,258,117.80/x - Step 3: Cross multiply
13,233,349.80x = 19,853,480.70 × 4,258,117.80 - Step 4: Simplify right side
13,233,349.80x = 84,538,459,560,626.45 - Step 5: Solve for x
x = 84,538,459,560,626.45/13,233,349.80 - Step 6: Final answer
x = 6,388,288.74
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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.