Finding the Fourth Proportional to 12,378,065.97, 18,569,854.41 and 4,069,244.94
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Solution
The fourth proportional to 12,378,065.97, 18,569,854.41 and 4,069,244.94 is: 6,104,773.26
Step by Step Solution
- Step 1: Write the proportion equation
12,378,065.97 : 18,569,854.41 = 4,069,244.94 : x - Step 2: Convert to fraction form
12,378,065.97/18,569,854.41 = 4,069,244.94/x - Step 3: Cross multiply
12,378,065.97x = 18,569,854.41 × 4,069,244.94 - Step 4: Simplify right side
12,378,065.97x = 75,565,286,094,429.19 - Step 5: Solve for x
x = 75,565,286,094,429.19/12,378,065.97 - Step 6: Final answer
x = 6,104,773.26
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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.