Finding the Fourth Proportional to 7,680,320.16, 10,599,632.64 and 4,417,257.84
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Solution
The fourth proportional to 7,680,320.16, 10,599,632.64 and 4,417,257.84 is: 6,096,270.65
Step by Step Solution
- Step 1: Write the proportion equation
7,680,320.16 : 10,599,632.64 = 4,417,257.84 : x - Step 2: Convert to fraction form
7,680,320.16/10,599,632.64 = 4,417,257.84/x - Step 3: Cross multiply
7,680,320.16x = 10,599,632.64 × 4,417,257.84 - Step 4: Simplify right side
7,680,320.16x = 46,821,310,380,159.90 - Step 5: Solve for x
x = 46,821,310,380,159.90/7,680,320.16 - Step 6: Final answer
x = 6,096,270.65
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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.