Finding the Fourth Proportional to 42,266,679.12, 58,302,236.70 and 27,945,054
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Solution
The fourth proportional to 42,266,679.12, 58,302,236.70 and 27,945,054 is: 38,547,129.48
Step by Step Solution
- Step 1: Write the proportion equation
42,266,679.12 : 58,302,236.70 = 27,945,054 : x - Step 2: Convert to fraction form
42,266,679.12/58,302,236.70 = 27,945,054/x - Step 3: Cross multiply
42,266,679.12x = 58,302,236.70 × 27,945,054 - Step 4: Simplify right side
42,266,679.12x = 1,629,259,152,902,282 - Step 5: Solve for x
x = 1,629,259,152,902,282/42,266,679.12 - Step 6: Final answer
x = 38,547,129.48
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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.