Finding the Fourth Proportional to 8,513,834.12, 12,772,780.91 and 2,756,569.49
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Solution
The fourth proportional to 8,513,834.12, 12,772,780.91 and 2,756,569.49 is: 4,135,511.41
Step by Step Solution
- Step 1: Write the proportion equation
8,513,834.12 : 12,772,780.91 = 2,756,569.49 : x - Step 2: Convert to fraction form
8,513,834.12/12,772,780.91 = 2,756,569.49/x - Step 3: Cross multiply
8,513,834.12x = 12,772,780.91 × 2,756,569.49 - Step 4: Simplify right side
8,513,834.12x = 35,209,058,113,553.55 - Step 5: Solve for x
x = 35,209,058,113,553.55/8,513,834.12 - Step 6: Final answer
x = 4,135,511.41
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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.