Finding the Fourth Proportional to 26,758,702.68, 36,928,022.70 and 14,998,186.56
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Solution
The fourth proportional to 26,758,702.68, 36,928,022.70 and 14,998,186.56 is: 20,698,065.24
Step by Step Solution
- Step 1: Write the proportion equation
26,758,702.68 : 36,928,022.70 = 14,998,186.56 : x - Step 2: Convert to fraction form
26,758,702.68/36,928,022.70 = 14,998,186.56/x - Step 3: Cross multiply
26,758,702.68x = 36,928,022.70 × 14,998,186.56 - Step 4: Simplify right side
26,758,702.68x = 553,853,373,746,515 - Step 5: Solve for x
x = 553,853,373,746,515/26,758,702.68 - Step 6: Final answer
x = 20,698,065.24
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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.