Finding the Fourth Proportional to 42,519,972.08, 63,764,211.48 and 13,758,647.60
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Solution
The fourth proportional to 42,519,972.08, 63,764,211.48 and 13,758,647.60 is: 20,632,876.09
Step by Step Solution
- Step 1: Write the proportion equation
42,519,972.08 : 63,764,211.48 = 13,758,647.60 : x - Step 2: Convert to fraction form
42,519,972.08/63,764,211.48 = 13,758,647.60/x - Step 3: Cross multiply
42,519,972.08x = 63,764,211.48 × 13,758,647.60 - Step 4: Simplify right side
42,519,972.08x = 877,309,315,245,194.38 - Step 5: Solve for x
x = 877,309,315,245,194.38/42,519,972.08 - Step 6: Final answer
x = 20,632,876.09
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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.