Finding the Fourth Proportional to 9,221,109.70, 13,831,664.55 and 2,830,531.68
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Solution
The fourth proportional to 9,221,109.70, 13,831,664.55 and 2,830,531.68 is: 4,245,797.52
Step by Step Solution
- Step 1: Write the proportion equation
9,221,109.70 : 13,831,664.55 = 2,830,531.68 : x - Step 2: Convert to fraction form
9,221,109.70/13,831,664.55 = 2,830,531.68/x - Step 3: Cross multiply
9,221,109.70x = 13,831,664.55 × 2,830,531.68 - Step 4: Simplify right side
9,221,109.70x = 39,150,964,695,907.95 - Step 5: Solve for x
x = 39,150,964,695,907.95/9,221,109.70 - Step 6: Final answer
x = 4,245,797.52
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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.