Finding the Fourth Proportional to 15,127,080.75, 22,690,818.77 and 5,029,701.75
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Solution
The fourth proportional to 15,127,080.75, 22,690,818.77 and 5,029,701.75 is: 7,544,618.34
Step by Step Solution
- Step 1: Write the proportion equation
15,127,080.75 : 22,690,818.77 = 5,029,701.75 : x - Step 2: Convert to fraction form
15,127,080.75/22,690,818.77 = 5,029,701.75/x - Step 3: Cross multiply
15,127,080.75x = 22,690,818.77 × 5,029,701.75 - Step 4: Simplify right side
15,127,080.75x = 114,128,050,851,253.34 - Step 5: Solve for x
x = 114,128,050,851,253.34/15,127,080.75 - Step 6: Final answer
x = 7,544,618.34
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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.