Finding the Fourth Proportional to 8,792,560.18, 12,134,120.20 and 4,872,305.68
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Solution
The fourth proportional to 8,792,560.18, 12,134,120.20 and 4,872,305.68 is: 6,723,996.37
Step by Step Solution
- Step 1: Write the proportion equation
8,792,560.18 : 12,134,120.20 = 4,872,305.68 : x - Step 2: Convert to fraction form
8,792,560.18/12,134,120.20 = 4,872,305.68/x - Step 3: Cross multiply
8,792,560.18x = 12,134,120.20 × 4,872,305.68 - Step 4: Simplify right side
8,792,560.18x = 59,121,142,772,262.73 - Step 5: Solve for x
x = 59,121,142,772,262.73/8,792,560.18 - Step 6: Final answer
x = 6,723,996.37
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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.