Finding the Fourth Proportional to 18,898,604.64, 28,352,422.44 and 6,119,123.40
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Solution
The fourth proportional to 18,898,604.64, 28,352,422.44 and 6,119,123.40 is: 9,180,147.15
Step by Step Solution
- Step 1: Write the proportion equation
18,898,604.64 : 28,352,422.44 = 6,119,123.40 : x - Step 2: Convert to fraction form
18,898,604.64/28,352,422.44 = 6,119,123.40/x - Step 3: Cross multiply
18,898,604.64x = 28,352,422.44 × 6,119,123.40 - Step 4: Simplify right side
18,898,604.64x = 173,491,971,599,289.12 - Step 5: Solve for x
x = 173,491,971,599,289.12/18,898,604.64 - Step 6: Final answer
x = 9,180,147.15
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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.