Finding the Fourth Proportional to 26,513,231.79, 36,582,776.42 and 15,497,850.75
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Solution
The fourth proportional to 26,513,231.79, 36,582,776.42 and 15,497,850.75 is: 21,383,828.77
Step by Step Solution
- Step 1: Write the proportion equation
26,513,231.79 : 36,582,776.42 = 15,497,850.75 : x - Step 2: Convert to fraction form
26,513,231.79/36,582,776.42 = 15,497,850.75/x - Step 3: Cross multiply
26,513,231.79x = 36,582,776.42 × 15,497,850.75 - Step 4: Simplify right side
26,513,231.79x = 566,954,408,763,104.62 - Step 5: Solve for x
x = 566,954,408,763,104.62/26,513,231.79 - Step 6: Final answer
x = 21,383,828.77
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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.