Finding the Fourth Proportional to 17,486,005.60, 26,230,976.70 and 5,355,372.70
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Solution
The fourth proportional to 17,486,005.60, 26,230,976.70 and 5,355,372.70 is: 8,033,661.87
Step by Step Solution
- Step 1: Write the proportion equation
17,486,005.60 : 26,230,976.70 = 5,355,372.70 : x - Step 2: Convert to fraction form
17,486,005.60/26,230,976.70 = 5,355,372.70/x - Step 3: Cross multiply
17,486,005.60x = 26,230,976.70 × 5,355,372.70 - Step 4: Simplify right side
17,486,005.60x = 140,476,656,513,516.09 - Step 5: Solve for x
x = 140,476,656,513,516.09/17,486,005.60 - Step 6: Final answer
x = 8,033,661.87
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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.