Finding the Fourth Proportional to 39,631,768.40, 59,391,665.40 and 29,316,126.80
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Solution
The fourth proportional to 39,631,768.40, 59,391,665.40 and 29,316,126.80 is: 43,932,775.75
Step by Step Solution
- Step 1: Write the proportion equation
39,631,768.40 : 59,391,665.40 = 29,316,126.80 : x - Step 2: Convert to fraction form
39,631,768.40/59,391,665.40 = 29,316,126.80/x - Step 3: Cross multiply
39,631,768.40x = 59,391,665.40 × 29,316,126.80 - Step 4: Simplify right side
39,631,768.40x = 1,741,133,593,729,572.75 - Step 5: Solve for x
x = 1,741,133,593,729,572.75/39,631,768.40 - Step 6: Final answer
x = 43,932,775.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.