Finding the Fourth Proportional to 19,854,549.79, 29,783,540.09 and 5,477,617.60
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Solution
The fourth proportional to 19,854,549.79, 29,783,540.09 and 5,477,617.60 is: 8,216,899.66
Step by Step Solution
- Step 1: Write the proportion equation
19,854,549.79 : 29,783,540.09 = 5,477,617.60 : x - Step 2: Convert to fraction form
19,854,549.79/29,783,540.09 = 5,477,617.60/x - Step 3: Cross multiply
19,854,549.79x = 29,783,540.09 × 5,477,617.60 - Step 4: Simplify right side
19,854,549.79x = 163,142,843,387,289.56 - Step 5: Solve for x
x = 163,142,843,387,289.56/19,854,549.79 - Step 6: Final answer
x = 8,216,899.66
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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.