Finding the Fourth Proportional to 19,711,014.40, 29,544,403.20 and 11,195,430.40
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Solution
The fourth proportional to 19,711,014.40, 29,544,403.20 and 11,195,430.40 is: 16,780,582.83
Step by Step Solution
- Step 1: Write the proportion equation
19,711,014.40 : 29,544,403.20 = 11,195,430.40 : x - Step 2: Convert to fraction form
19,711,014.40/29,544,403.20 = 11,195,430.40/x - Step 3: Cross multiply
19,711,014.40x = 29,544,403.20 × 11,195,430.40 - Step 4: Simplify right side
19,711,014.40x = 330,762,309,735,137.31 - Step 5: Solve for x
x = 330,762,309,735,137.31/19,711,014.40 - Step 6: Final answer
x = 16,780,582.83
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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.