Finding the Fourth Proportional to 21,124,963.04, 31,687,104.35 and 6,747,936.08
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Solution
The fourth proportional to 21,124,963.04, 31,687,104.35 and 6,747,936.08 is: 10,121,795.44
Step by Step Solution
- Step 1: Write the proportion equation
21,124,963.04 : 31,687,104.35 = 6,747,936.08 : x - Step 2: Convert to fraction form
21,124,963.04/31,687,104.35 = 6,747,936.08/x - Step 3: Cross multiply
21,124,963.04x = 31,687,104.35 × 6,747,936.08 - Step 4: Simplify right side
21,124,963.04x = 213,822,554,572,524.28 - Step 5: Solve for x
x = 213,822,554,572,524.28/21,124,963.04 - Step 6: Final answer
x = 10,121,795.44
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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.