Finding the Fourth Proportional to 20,265,132.84, 30,400,848.48 and 6,805,110.12
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Solution
The fourth proportional to 20,265,132.84, 30,400,848.48 and 6,805,110.12 is: 10,208,722.70
Step by Step Solution
- Step 1: Write the proportion equation
20,265,132.84 : 30,400,848.48 = 6,805,110.12 : x - Step 2: Convert to fraction form
20,265,132.84/30,400,848.48 = 6,805,110.12/x - Step 3: Cross multiply
20,265,132.84x = 30,400,848.48 × 6,805,110.12 - Step 4: Simplify right side
20,265,132.84x = 206,881,121,647,834.62 - Step 5: Solve for x
x = 206,881,121,647,834.62/20,265,132.84 - Step 6: Final answer
x = 10,208,722.70
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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.