Finding the Fourth Proportional to 11,038,617.81, 16,556,622.68 and 2,952,220.14
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Solution
The fourth proportional to 11,038,617.81, 16,556,622.68 and 2,952,220.14 is: 4,427,981.45
Step by Step Solution
- Step 1: Write the proportion equation
11,038,617.81 : 16,556,622.68 = 2,952,220.14 : x - Step 2: Convert to fraction form
11,038,617.81/16,556,622.68 = 2,952,220.14/x - Step 3: Cross multiply
11,038,617.81x = 16,556,622.68 × 2,952,220.14 - Step 4: Simplify right side
11,038,617.81x = 48,878,794,911,515.68 - Step 5: Solve for x
x = 48,878,794,911,515.68/11,038,617.81 - Step 6: Final answer
x = 4,427,981.45
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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.