Finding the Fourth Proportional to 10,302,170, 14,216,282.96 and 5,718,130.48
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Solution
The fourth proportional to 10,302,170, 14,216,282.96 and 5,718,130.48 is: 7,890,625.07
Step by Step Solution
- Step 1: Write the proportion equation
10,302,170 : 14,216,282.96 = 5,718,130.48 : x - Step 2: Convert to fraction form
10,302,170/14,216,282.96 = 5,718,130.48/x - Step 3: Cross multiply
10,302,170x = 14,216,282.96 × 5,718,130.48 - Step 4: Simplify right side
10,302,170x = 81,290,560,905,880.62 - Step 5: Solve for x
x = 81,290,560,905,880.62/10,302,170 - Step 6: Final answer
x = 7,890,625.07
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1.5x scale
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.