Finding the Fourth Proportional to 11,153,688.10, 16,730,186.55 and 3,175,512.10
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Solution
The fourth proportional to 11,153,688.10, 16,730,186.55 and 3,175,512.10 is: 4,763,169.76
Step by Step Solution
- Step 1: Write the proportion equation
11,153,688.10 : 16,730,186.55 = 3,175,512.10 : x - Step 2: Convert to fraction form
11,153,688.10/16,730,186.55 = 3,175,512.10/x - Step 3: Cross multiply
11,153,688.10x = 16,730,186.55 × 3,175,512.10 - Step 4: Simplify right side
11,153,688.10x = 53,126,909,824,782.26 - Step 5: Solve for x
x = 53,126,909,824,782.26/11,153,688.10 - Step 6: Final answer
x = 4,763,169.76
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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.