Finding the Fourth Proportional to 16,866,982.56, 23,276,153.68 and 9,131,962.08
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Solution
The fourth proportional to 16,866,982.56, 23,276,153.68 and 9,131,962.08 is: 12,601,954.86
Step by Step Solution
- Step 1: Write the proportion equation
16,866,982.56 : 23,276,153.68 = 9,131,962.08 : x - Step 2: Convert to fraction form
16,866,982.56/23,276,153.68 = 9,131,962.08/x - Step 3: Cross multiply
16,866,982.56x = 23,276,153.68 × 9,131,962.08 - Step 4: Simplify right side
16,866,982.56x = 212,556,952,774,012.47 - Step 5: Solve for x
x = 212,556,952,774,012.47/16,866,982.56 - Step 6: Final answer
x = 12,601,954.86
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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.