Finding the Fourth Proportional to 13,041,406.70, 19,562,110.05 and 4,518,910.70
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Solution
The fourth proportional to 13,041,406.70, 19,562,110.05 and 4,518,910.70 is: 6,778,366.05
Step by Step Solution
- Step 1: Write the proportion equation
13,041,406.70 : 19,562,110.05 = 4,518,910.70 : x - Step 2: Convert to fraction form
13,041,406.70/19,562,110.05 = 4,518,910.70/x - Step 3: Cross multiply
13,041,406.70x = 19,562,110.05 × 4,518,910.70 - Step 4: Simplify right side
13,041,406.70x = 88,399,428,419,522.55 - Step 5: Solve for x
x = 88,399,428,419,522.55/13,041,406.70 - Step 6: Final answer
x = 6,778,366.05
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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.