Finding the Fourth Proportional to 8,641,756.55, 12,962,639.14 and 2,251,992.71
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Solution
The fourth proportional to 8,641,756.55, 12,962,639.14 and 2,251,992.71 is: 3,377,990.18
Step by Step Solution
- Step 1: Write the proportion equation
8,641,756.55 : 12,962,639.14 = 2,251,992.71 : x - Step 2: Convert to fraction form
8,641,756.55/12,962,639.14 = 2,251,992.71/x - Step 3: Cross multiply
8,641,756.55x = 12,962,639.14 × 2,251,992.71 - Step 4: Simplify right side
8,641,756.55x = 29,191,768,775,197.49 - Step 5: Solve for x
x = 29,191,768,775,197.49/8,641,756.55 - Step 6: Final answer
x = 3,377,990.18
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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.