Finding the Fourth Proportional to 28,912,752.42, 43,351,655.94 and 13,563,407.94
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Solution
The fourth proportional to 28,912,752.42, 43,351,655.94 and 13,563,407.94 is: 20,336,915.21
Step by Step Solution
- Step 1: Write the proportion equation
28,912,752.42 : 43,351,655.94 = 13,563,407.94 : x - Step 2: Convert to fraction form
28,912,752.42/43,351,655.94 = 13,563,407.94/x - Step 3: Cross multiply
28,912,752.42x = 43,351,655.94 × 13,563,407.94 - Step 4: Simplify right side
28,912,752.42x = 587,996,194,388,744.12 - Step 5: Solve for x
x = 587,996,194,388,744.12/28,912,752.42 - Step 6: Final answer
x = 20,336,915.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.