Finding the Fourth Proportional to 17,745,211.60, 26,617,817.40 and 6,381,559.60
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Solution
The fourth proportional to 17,745,211.60, 26,617,817.40 and 6,381,559.60 is: 9,572,339.40
Step by Step Solution
- Step 1: Write the proportion equation
17,745,211.60 : 26,617,817.40 = 6,381,559.60 : x - Step 2: Convert to fraction form
17,745,211.60/26,617,817.40 = 6,381,559.60/x - Step 3: Cross multiply
17,745,211.60x = 26,617,817.40 × 6,381,559.60 - Step 4: Simplify right side
17,745,211.60x = 169,863,188,160,017.03 - Step 5: Solve for x
x = 169,863,188,160,017.03/17,745,211.60 - Step 6: Final answer
x = 9,572,339.40
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1.5x scale
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.