Finding the Fourth Proportional to 10,128,887.68, 13,979,631.30 and 6,001,242.75
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Solution
The fourth proportional to 10,128,887.68, 13,979,631.30 and 6,001,242.75 is: 8,282,761.50
Step by Step Solution
- Step 1: Write the proportion equation
10,128,887.68 : 13,979,631.30 = 6,001,242.75 : x - Step 2: Convert to fraction form
10,128,887.68/13,979,631.30 = 6,001,242.75/x - Step 3: Cross multiply
10,128,887.68x = 13,979,631.30 × 6,001,242.75 - Step 4: Simplify right side
10,128,887.68x = 83,895,160,924,975.70 - Step 5: Solve for x
x = 83,895,160,924,975.70/10,128,887.68 - Step 6: Final answer
x = 8,282,761.50
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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.