Finding the Fourth Proportional to 14,766,477.20, 22,149,715.80 and 10,987,341.20
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Solution
The fourth proportional to 14,766,477.20, 22,149,715.80 and 10,987,341.20 is: 16,481,011.80
Step by Step Solution
- Step 1: Write the proportion equation
14,766,477.20 : 22,149,715.80 = 10,987,341.20 : x - Step 2: Convert to fraction form
14,766,477.20/22,149,715.80 = 10,987,341.20/x - Step 3: Cross multiply
14,766,477.20x = 22,149,715.80 × 10,987,341.20 - Step 4: Simplify right side
14,766,477.20x = 243,366,484,977,630.94 - Step 5: Solve for x
x = 243,366,484,977,630.94/14,766,477.20 - Step 6: Final answer
x = 16,481,011.80
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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.