Finding the Fourth Proportional to 14,776,228.70, 20,398,106.86 and 8,580,068.49
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Solution
The fourth proportional to 14,776,228.70, 20,398,106.86 and 8,580,068.49 is: 11,844,507.65
Step by Step Solution
- Step 1: Write the proportion equation
14,776,228.70 : 20,398,106.86 = 8,580,068.49 : x - Step 2: Convert to fraction form
14,776,228.70/20,398,106.86 = 8,580,068.49/x - Step 3: Cross multiply
14,776,228.70x = 20,398,106.86 × 8,580,068.49 - Step 4: Simplify right side
14,776,228.70x = 175,017,153,925,138.84 - Step 5: Solve for x
x = 175,017,153,925,138.84/14,776,228.70 - Step 6: Final answer
x = 11,844,507.65
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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.