Finding the Fourth Proportional to 34,071,968.49, 47,019,073.14 and 18,602,052.67
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Solution
The fourth proportional to 34,071,968.49, 47,019,073.14 and 18,602,052.67 is: 25,670,699.81
Step by Step Solution
- Step 1: Write the proportion equation
34,071,968.49 : 47,019,073.14 = 18,602,052.67 : x - Step 2: Convert to fraction form
34,071,968.49/47,019,073.14 = 18,602,052.67/x - Step 3: Cross multiply
34,071,968.49x = 47,019,073.14 × 18,602,052.67 - Step 4: Simplify right side
34,071,968.49x = 874,651,275,044,862.38 - Step 5: Solve for x
x = 874,651,275,044,862.38/34,071,968.49 - Step 6: Final answer
x = 25,670,699.81
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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.