Finding the Fourth Proportional to 42,497,921.79, 63,739,751.22 and 11,795,620.23
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Solution
The fourth proportional to 42,497,921.79, 63,739,751.22 and 11,795,620.23 is: 17,691,450.95
Step by Step Solution
- Step 1: Write the proportion equation
42,497,921.79 : 63,739,751.22 = 11,795,620.23 : x - Step 2: Convert to fraction form
42,497,921.79/63,739,751.22 = 11,795,620.23/x - Step 3: Cross multiply
42,497,921.79x = 63,739,751.22 × 11,795,620.23 - Step 4: Simplify right side
42,497,921.79x = 751,849,898,945,799.25 - Step 5: Solve for x
x = 751,849,898,945,799.25/42,497,921.79 - Step 6: Final answer
x = 17,691,450.95
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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.