Finding the Fourth Proportional to 10,641,569.12, 14,684,529.12 and 5,995,149.20
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Solution
The fourth proportional to 10,641,569.12, 14,684,529.12 and 5,995,149.20 is: 8,272,834.77
Step by Step Solution
- Step 1: Write the proportion equation
10,641,569.12 : 14,684,529.12 = 5,995,149.20 : x - Step 2: Convert to fraction form
10,641,569.12/14,684,529.12 = 5,995,149.20/x - Step 3: Cross multiply
10,641,569.12x = 14,684,529.12 × 5,995,149.20 - Step 4: Simplify right side
10,641,569.12x = 88,035,943,006,144.70 - Step 5: Solve for x
x = 88,035,943,006,144.70/10,641,569.12 - Step 6: Final answer
x = 8,272,834.77
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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.