Finding the Fourth Proportional to 17,680,930.60, 26,521,395.90 and 6,321,749.80
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Solution
The fourth proportional to 17,680,930.60, 26,521,395.90 and 6,321,749.80 is: 9,482,624.70
Step by Step Solution
- Step 1: Write the proportion equation
17,680,930.60 : 26,521,395.90 = 6,321,749.80 : x - Step 2: Convert to fraction form
17,680,930.60/26,521,395.90 = 6,321,749.80/x - Step 3: Cross multiply
17,680,930.60x = 26,521,395.90 × 6,321,749.80 - Step 4: Simplify right side
17,680,930.60x = 167,661,629,226,545.81 - Step 5: Solve for x
x = 167,661,629,226,545.81/17,680,930.60 - Step 6: Final answer
x = 9,482,624.70
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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.