Finding the Fourth Proportional to 31,119,397.05, 46,679,095.58 and 16,770,490.05
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Solution
The fourth proportional to 31,119,397.05, 46,679,095.58 and 16,770,490.05 is: 25,155,735.08
Step by Step Solution
- Step 1: Write the proportion equation
31,119,397.05 : 46,679,095.58 = 16,770,490.05 : x - Step 2: Convert to fraction form
31,119,397.05/46,679,095.58 = 16,770,490.05/x - Step 3: Cross multiply
31,119,397.05x = 46,679,095.58 × 16,770,490.05 - Step 4: Simplify right side
31,119,397.05x = 782,831,307,883,536.62 - Step 5: Solve for x
x = 782,831,307,883,536.62/31,119,397.05 - Step 6: Final answer
x = 25,155,735.08
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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.