Finding the Fourth Proportional to 19,212,584.81, 26,513,688.08 and 10,510,817.99
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Solution
The fourth proportional to 19,212,584.81, 26,513,688.08 and 10,510,817.99 is: 14,505,104.46
Step by Step Solution
- Step 1: Write the proportion equation
19,212,584.81 : 26,513,688.08 = 10,510,817.99 : x - Step 2: Convert to fraction form
19,212,584.81/26,513,688.08 = 10,510,817.99/x - Step 3: Cross multiply
19,212,584.81x = 26,513,688.08 × 10,510,817.99 - Step 4: Simplify right side
19,212,584.81x = 278,680,549,546,221.16 - Step 5: Solve for x
x = 278,680,549,546,221.16/19,212,584.81 - Step 6: Final answer
x = 14,505,104.46
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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.