Finding the Fourth Proportional to 35,138,913.62, 48,492,195.93 and 20,246,006.74
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Solution
The fourth proportional to 35,138,913.62, 48,492,195.93 and 20,246,006.74 is: 27,939,774.58
Step by Step Solution
- Step 1: Write the proportion equation
35,138,913.62 : 48,492,195.93 = 20,246,006.74 : x - Step 2: Convert to fraction form
35,138,913.62/48,492,195.93 = 20,246,006.74/x - Step 3: Cross multiply
35,138,913.62x = 48,492,195.93 × 20,246,006.74 - Step 4: Simplify right side
35,138,913.62x = 981,773,325,636,180.50 - Step 5: Solve for x
x = 981,773,325,636,180.50/35,138,913.62 - Step 6: Final answer
x = 27,939,774.58
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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.