Finding the Fourth Proportional to 84,564,477.60, 126,846,716.40 and 27,058,624.80
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Solution
The fourth proportional to 84,564,477.60, 126,846,716.40 and 27,058,624.80 is: 40,587,937.20
Step by Step Solution
- Step 1: Write the proportion equation
84,564,477.60 : 126,846,716.40 = 27,058,624.80 : x - Step 2: Convert to fraction form
84,564,477.60/126,846,716.40 = 27,058,624.80/x - Step 3: Cross multiply
84,564,477.60x = 126,846,716.40 × 27,058,624.80 - Step 4: Simplify right side
84,564,477.60x = 3,432,297,706,179,607 - Step 5: Solve for x
x = 3,432,297,706,179,607/84,564,477.60 - Step 6: Final answer
x = 40,587,937.20
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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.