Finding the Fourth Proportional to 8,866,780.62, 12,236,178.16 and 4,792,399.62
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Solution
The fourth proportional to 8,866,780.62, 12,236,178.16 and 4,792,399.62 is: 6,613,522.77
Step by Step Solution
- Step 1: Write the proportion equation
8,866,780.62 : 12,236,178.16 = 4,792,399.62 : x - Step 2: Convert to fraction form
8,866,780.62/12,236,178.16 = 4,792,399.62/x - Step 3: Cross multiply
8,866,780.62x = 12,236,178.16 × 4,792,399.62 - Step 4: Simplify right side
8,866,780.62x = 58,640,655,564,236.30 - Step 5: Solve for x
x = 58,640,655,564,236.30/8,866,780.62 - Step 6: Final answer
x = 6,613,522.77
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1.5x scale
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.