Finding the Fourth Proportional to 13,998,168.96, 19,317,471.36 and 7,559,640.96
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Solution
The fourth proportional to 13,998,168.96, 19,317,471.36 and 7,559,640.96 is: 10,432,303.55
Step by Step Solution
- Step 1: Write the proportion equation
13,998,168.96 : 19,317,471.36 = 7,559,640.96 : x - Step 2: Convert to fraction form
13,998,168.96/19,317,471.36 = 7,559,640.96/x - Step 3: Cross multiply
13,998,168.96x = 19,317,471.36 × 7,559,640.96 - Step 4: Simplify right side
13,998,168.96x = 146,033,147,736,682.91 - Step 5: Solve for x
x = 146,033,147,736,682.91/13,998,168.96 - Step 6: Final answer
x = 10,432,303.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.