Finding the Fourth Proportional to 7,034,235.18, 9,708,264.05 and 4,053,358.67
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Solution
The fourth proportional to 7,034,235.18, 9,708,264.05 and 4,053,358.67 is: 5,594,222.43
Step by Step Solution
- Step 1: Write the proportion equation
7,034,235.18 : 9,708,264.05 = 4,053,358.67 : x - Step 2: Convert to fraction form
7,034,235.18/9,708,264.05 = 4,053,358.67/x - Step 3: Cross multiply
7,034,235.18x = 9,708,264.05 × 4,053,358.67 - Step 4: Simplify right side
7,034,235.18x = 39,351,076,188,908.70 - Step 5: Solve for x
x = 39,351,076,188,908.70/7,034,235.18 - Step 6: Final answer
x = 5,594,222.43
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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.