Finding the Fourth Proportional to 8,058,801.60, 12,088,202.40 and 7,246,987.20
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Solution
The fourth proportional to 8,058,801.60, 12,088,202.40 and 7,246,987.20 is: 10,870,480.80
Step by Step Solution
- Step 1: Write the proportion equation
8,058,801.60 : 12,088,202.40 = 7,246,987.20 : x - Step 2: Convert to fraction form
8,058,801.60/12,088,202.40 = 7,246,987.20/x - Step 3: Cross multiply
8,058,801.60x = 12,088,202.40 × 7,246,987.20 - Step 4: Simplify right side
8,058,801.60x = 87,603,048,063,809.28 - Step 5: Solve for x
x = 87,603,048,063,809.28/8,058,801.60 - Step 6: Final answer
x = 10,870,480.80
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Double scale
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Similar ratio
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1.5x scale
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.