Finding the Fourth Proportional to 19,115,799.83, 26,378,883.53 and 10,854,770.92
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Solution
The fourth proportional to 19,115,799.83, 26,378,883.53 and 10,854,770.92 is: 14,979,061.32
Step by Step Solution
- Step 1: Write the proportion equation
19,115,799.83 : 26,378,883.53 = 10,854,770.92 : x - Step 2: Convert to fraction form
19,115,799.83/26,378,883.53 = 10,854,770.92/x - Step 3: Cross multiply
19,115,799.83x = 26,378,883.53 × 10,854,770.92 - Step 4: Simplify right side
19,115,799.83x = 286,336,737,763,995.25 - Step 5: Solve for x
x = 286,336,737,763,995.25/19,115,799.83 - Step 6: Final answer
x = 14,979,061.32
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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.