Finding the Fourth Proportional to 7,566,450.40, 10,441,953.56 and 4,128,880.06
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Solution
The fourth proportional to 7,566,450.40, 10,441,953.56 and 4,128,880.06 is: 5,697,991.99
Step by Step Solution
- Step 1: Write the proportion equation
7,566,450.40 : 10,441,953.56 = 4,128,880.06 : x - Step 2: Convert to fraction form
7,566,450.40/10,441,953.56 = 4,128,880.06/x - Step 3: Cross multiply
7,566,450.40x = 10,441,953.56 × 4,128,880.06 - Step 4: Simplify right side
7,566,450.40x = 43,113,573,768,475.84 - Step 5: Solve for x
x = 43,113,573,768,475.84/7,566,450.40 - Step 6: Final answer
x = 5,697,991.99
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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.