Finding the Fourth Proportional to 10,109,918.30, 15,164,877.45 and 6,283,543.10
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Solution
The fourth proportional to 10,109,918.30, 15,164,877.45 and 6,283,543.10 is: 9,425,314.65
Step by Step Solution
- Step 1: Write the proportion equation
10,109,918.30 : 15,164,877.45 = 6,283,543.10 : x - Step 2: Convert to fraction form
10,109,918.30/15,164,877.45 = 6,283,543.10/x - Step 3: Cross multiply
10,109,918.30x = 15,164,877.45 × 6,283,543.10 - Step 4: Simplify right side
10,109,918.30x = 95,289,161,063,293.08 - Step 5: Solve for x
x = 95,289,161,063,293.08/10,109,918.30 - Step 6: Final answer
x = 9,425,314.65
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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.