Finding the Fourth Proportional to 17,671,251.20, 26,506,876.80 and 17,372,652.80
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Solution
The fourth proportional to 17,671,251.20, 26,506,876.80 and 17,372,652.80 is: 26,058,979.20
Step by Step Solution
- Step 1: Write the proportion equation
17,671,251.20 : 26,506,876.80 = 17,372,652.80 : x - Step 2: Convert to fraction form
17,671,251.20/26,506,876.80 = 17,372,652.80/x - Step 3: Cross multiply
17,671,251.20x = 26,506,876.80 × 17,372,652.80 - Step 4: Simplify right side
17,671,251.20x = 460,494,767,458,775.06 - Step 5: Solve for x
x = 460,494,767,458,775.06/17,671,251.20 - Step 6: Final answer
x = 26,058,979.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.