Finding the Fourth Proportional to 14,305,372.34, 19,793,397.74 and 12,473,647.65
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Solution
The fourth proportional to 14,305,372.34, 19,793,397.74 and 12,473,647.65 is: 17,258,961.41
Step by Step Solution
- Step 1: Write the proportion equation
14,305,372.34 : 19,793,397.74 = 12,473,647.65 : x - Step 2: Convert to fraction form
14,305,372.34/19,793,397.74 = 12,473,647.65/x - Step 3: Cross multiply
14,305,372.34x = 19,793,397.74 × 12,473,647.65 - Step 4: Simplify right side
14,305,372.34x = 246,895,869,142,698.06 - Step 5: Solve for x
x = 246,895,869,142,698.06/14,305,372.34 - Step 6: Final answer
x = 17,258,961.41
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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.