Finding the Fourth Proportional to 16,128,605.90, 24,192,908.85 and 4,161,341.90
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Solution
The fourth proportional to 16,128,605.90, 24,192,908.85 and 4,161,341.90 is: 6,242,012.85
Step by Step Solution
- Step 1: Write the proportion equation
16,128,605.90 : 24,192,908.85 = 4,161,341.90 : x - Step 2: Convert to fraction form
16,128,605.90/24,192,908.85 = 4,161,341.90/x - Step 3: Cross multiply
16,128,605.90x = 24,192,908.85 × 4,161,341.90 - Step 4: Simplify right side
16,128,605.90x = 100,674,965,280,385.81 - Step 5: Solve for x
x = 100,674,965,280,385.81/16,128,605.90 - Step 6: Final answer
x = 6,242,012.85
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1.5x scale
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.