Finding the Fourth Proportional to 51,283,074.24, 70,770,646.08 and 28,078,202.88
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Solution
The fourth proportional to 51,283,074.24, 70,770,646.08 and 28,078,202.88 is: 38,747,921.96
Step by Step Solution
- Step 1: Write the proportion equation
51,283,074.24 : 70,770,646.08 = 28,078,202.88 : x - Step 2: Convert to fraction form
51,283,074.24/70,770,646.08 = 28,078,202.88/x - Step 3: Cross multiply
51,283,074.24x = 70,770,646.08 × 28,078,202.88 - Step 4: Simplify right side
51,283,074.24x = 1,987,112,558,582,916.50 - Step 5: Solve for x
x = 1,987,112,558,582,916.50/51,283,074.24 - Step 6: Final answer
x = 38,747,921.96
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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.