Finding the Fourth Proportional to 7,564,972.38, 10,439,236.44 and 4,302,580.74
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Solution
The fourth proportional to 7,564,972.38, 10,439,236.44 and 4,302,580.74 is: 5,937,319.45
Step by Step Solution
- Step 1: Write the proportion equation
7,564,972.38 : 10,439,236.44 = 4,302,580.74 : x - Step 2: Convert to fraction form
7,564,972.38/10,439,236.44 = 4,302,580.74/x - Step 3: Cross multiply
7,564,972.38x = 10,439,236.44 × 4,302,580.74 - Step 4: Simplify right side
7,564,972.38x = 44,915,657,647,050.16 - Step 5: Solve for x
x = 44,915,657,647,050.16/7,564,972.38 - Step 6: Final answer
x = 5,937,319.45
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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.