Finding the Fourth Proportional to 51,780,656.97, 71,457,160.14 and 28,575,618.03
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Solution
The fourth proportional to 51,780,656.97, 71,457,160.14 and 28,575,618.03 is: 39,434,272.05
Step by Step Solution
- Step 1: Write the proportion equation
51,780,656.97 : 71,457,160.14 = 28,575,618.03 : x - Step 2: Convert to fraction form
51,780,656.97/71,457,160.14 = 28,575,618.03/x - Step 3: Cross multiply
51,780,656.97x = 71,457,160.14 × 28,575,618.03 - Step 4: Simplify right side
51,780,656.97x = 2,041,932,513,669,181.50 - Step 5: Solve for x
x = 2,041,932,513,669,181.50/51,780,656.97 - Step 6: Final answer
x = 39,434,272.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.