Finding the Fourth Proportional to 9,360,577.67, 12,917,623.97 and 5,230,764.43
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Solution
The fourth proportional to 9,360,577.67, 12,917,623.97 and 5,230,764.43 is: 7,218,469.88
Step by Step Solution
- Step 1: Write the proportion equation
9,360,577.67 : 12,917,623.97 = 5,230,764.43 : x - Step 2: Convert to fraction form
9,360,577.67/12,917,623.97 = 5,230,764.43/x - Step 3: Cross multiply
9,360,577.67x = 12,917,623.97 × 5,230,764.43 - Step 4: Simplify right side
9,360,577.67x = 67,569,047,963,174.24 - Step 5: Solve for x
x = 67,569,047,963,174.24/9,360,577.67 - Step 6: Final answer
x = 7,218,469.88
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1.5x scale
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.