Finding the Fourth Proportional to 8,931,029.48, 12,324,448.68 and 5,063,812.28
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Solution
The fourth proportional to 8,931,029.48, 12,324,448.68 and 5,063,812.28 is: 6,987,850.02
Step by Step Solution
- Step 1: Write the proportion equation
8,931,029.48 : 12,324,448.68 = 5,063,812.28 : x - Step 2: Convert to fraction form
8,931,029.48/12,324,448.68 = 5,063,812.28/x - Step 3: Cross multiply
8,931,029.48x = 12,324,448.68 × 5,063,812.28 - Step 4: Simplify right side
8,931,029.48x = 62,408,694,570,013.79 - Step 5: Solve for x
x = 62,408,694,570,013.79/8,931,029.48 - Step 6: Final answer
x = 6,987,850.02
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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.