Finding the Fourth Proportional to 26,228,376.74, 36,201,647.85 and 17,869,578.91
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Solution
The fourth proportional to 26,228,376.74, 36,201,647.85 and 17,869,578.91 is: 24,664,439.17
Step by Step Solution
- Step 1: Write the proportion equation
26,228,376.74 : 36,201,647.85 = 17,869,578.91 : x - Step 2: Convert to fraction form
26,228,376.74/36,201,647.85 = 17,869,578.91/x - Step 3: Cross multiply
26,228,376.74x = 36,201,647.85 × 17,869,578.91 - Step 4: Simplify right side
26,228,376.74x = 646,908,202,770,091.75 - Step 5: Solve for x
x = 646,908,202,770,091.75/26,228,376.74 - Step 6: Final answer
x = 24,664,439.17
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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.