Finding the Fourth Proportional to 10,105,763.60, 15,153,109.58 and 4,976,915.09
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Solution
The fourth proportional to 10,105,763.60, 15,153,109.58 and 4,976,915.09 is: 7,462,646.33
Step by Step Solution
- Step 1: Write the proportion equation
10,105,763.60 : 15,153,109.58 = 4,976,915.09 : x - Step 2: Convert to fraction form
10,105,763.60/15,153,109.58 = 4,976,915.09/x - Step 3: Cross multiply
10,105,763.60x = 15,153,109.58 × 4,976,915.09 - Step 4: Simplify right side
10,105,763.60x = 75,415,739,628,475.44 - Step 5: Solve for x
x = 75,415,739,628,475.44/10,105,763.60 - Step 6: Final answer
x = 7,462,646.33
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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.