Finding the Fourth Proportional to 15,277,201.89, 21,082,246.18 and 8,401,683.93
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Solution
The fourth proportional to 15,277,201.89, 21,082,246.18 and 8,401,683.93 is: 11,594,163.00
Step by Step Solution
- Step 1: Write the proportion equation
15,277,201.89 : 21,082,246.18 = 8,401,683.93 : x - Step 2: Convert to fraction form
15,277,201.89/21,082,246.18 = 8,401,683.93/x - Step 3: Cross multiply
15,277,201.89x = 21,082,246.18 × 8,401,683.93 - Step 4: Simplify right side
15,277,201.89x = 177,126,368,938,809.88 - Step 5: Solve for x
x = 177,126,368,938,809.88/15,277,201.89 - Step 6: Final answer
x = 11,594,163.00
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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.