Finding the Fourth Proportional to 25,859,841.81, 35,720,646.49 and 19,167,740.84
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Solution
The fourth proportional to 25,859,841.81, 35,720,646.49 and 19,167,740.84 is: 26,476,731.73
Step by Step Solution
- Step 1: Write the proportion equation
25,859,841.81 : 35,720,646.49 = 19,167,740.84 : x - Step 2: Convert to fraction form
25,859,841.81/35,720,646.49 = 19,167,740.84/x - Step 3: Cross multiply
25,859,841.81x = 35,720,646.49 × 19,167,740.84 - Step 4: Simplify right side
25,859,841.81x = 684,684,094,283,133.75 - Step 5: Solve for x
x = 684,684,094,283,133.75/25,859,841.81 - Step 6: Final answer
x = 26,476,731.73
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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.