Finding the Fourth Proportional to 22,862,042.98, 31,575,803.73 and 15,056,448.01
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Solution
The fourth proportional to 22,862,042.98, 31,575,803.73 and 15,056,448.01 is: 20,795,142.74
Step by Step Solution
- Step 1: Write the proportion equation
22,862,042.98 : 31,575,803.73 = 15,056,448.01 : x - Step 2: Convert to fraction form
22,862,042.98/31,575,803.73 = 15,056,448.01/x - Step 3: Cross multiply
22,862,042.98x = 31,575,803.73 × 15,056,448.01 - Step 4: Simplify right side
22,862,042.98x = 475,419,447,076,830.06 - Step 5: Solve for x
x = 475,419,447,076,830.06/22,862,042.98 - Step 6: Final answer
x = 20,795,142.74
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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.