Finding the Fourth Proportional to 16,129,116.90, 24,168,792.15 and 13,989,161.70
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Solution
The fourth proportional to 16,129,116.90, 24,168,792.15 and 13,989,161.70 is: 20,962,160.77
Step by Step Solution
- Step 1: Write the proportion equation
16,129,116.90 : 24,168,792.15 = 13,989,161.70 : x - Step 2: Convert to fraction form
16,129,116.90/24,168,792.15 = 13,989,161.70/x - Step 3: Cross multiply
16,129,116.90x = 24,168,792.15 × 13,989,161.70 - Step 4: Simplify right side
16,129,116.90x = 338,101,141,480,040.62 - Step 5: Solve for x
x = 338,101,141,480,040.62/16,129,116.90 - Step 6: Final answer
x = 20,962,160.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.