Finding the Fourth Proportional to 7,869,357.18, 10,859,737.47 and 4,562,296.05
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Solution
The fourth proportional to 7,869,357.18, 10,859,737.47 and 4,562,296.05 is: 6,295,982.79
Step by Step Solution
- Step 1: Write the proportion equation
7,869,357.18 : 10,859,737.47 = 4,562,296.05 : x - Step 2: Convert to fraction form
7,869,357.18/10,859,737.47 = 4,562,296.05/x - Step 3: Cross multiply
7,869,357.18x = 10,859,737.47 × 4,562,296.05 - Step 4: Simplify right side
7,869,357.18x = 49,545,337,363,417.99 - Step 5: Solve for x
x = 49,545,337,363,417.99/7,869,357.18 - Step 6: Final answer
x = 6,295,982.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.