Finding the Fourth Proportional to 7,135,337.76, 9,846,772.43 and 3,872,152.49
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Solution
The fourth proportional to 7,135,337.76, 9,846,772.43 and 3,872,152.49 is: 5,343,573.86
Step by Step Solution
- Step 1: Write the proportion equation
7,135,337.76 : 9,846,772.43 = 3,872,152.49 : x - Step 2: Convert to fraction form
7,135,337.76/9,846,772.43 = 3,872,152.49/x - Step 3: Cross multiply
7,135,337.76x = 9,846,772.43 × 3,872,152.49 - Step 4: Simplify right side
7,135,337.76x = 38,128,204,314,693.23 - Step 5: Solve for x
x = 38,128,204,314,693.23/7,135,337.76 - Step 6: Final answer
x = 5,343,573.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.