Finding the Fourth Proportional to 14,422,293.20, 19,902,768.84 and 7,983,765.20
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Solution
The fourth proportional to 14,422,293.20, 19,902,768.84 and 7,983,765.20 is: 11,017,598.31
Step by Step Solution
- Step 1: Write the proportion equation
14,422,293.20 : 19,902,768.84 = 7,983,765.20 : x - Step 2: Convert to fraction form
14,422,293.20/19,902,768.84 = 7,983,765.20/x - Step 3: Cross multiply
14,422,293.20x = 19,902,768.84 × 7,983,765.20 - Step 4: Simplify right side
14,422,293.20x = 158,899,033,248,436.38 - Step 5: Solve for x
x = 158,899,033,248,436.38/14,422,293.20 - Step 6: Final answer
x = 11,017,598.31
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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.