Finding the Fourth Proportional to 18,735,119.44, 25,840,199.36 and 16,126,064.08
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Solution
The fourth proportional to 18,735,119.44, 25,840,199.36 and 16,126,064.08 is: 22,241,689.57
Step by Step Solution
- Step 1: Write the proportion equation
18,735,119.44 : 25,840,199.36 = 16,126,064.08 : x - Step 2: Convert to fraction form
18,735,119.44/25,840,199.36 = 16,126,064.08/x - Step 3: Cross multiply
18,735,119.44x = 25,840,199.36 × 16,126,064.08 - Step 4: Simplify right side
18,735,119.44x = 416,700,710,719,335 - Step 5: Solve for x
x = 416,700,710,719,335/18,735,119.44 - Step 6: Final answer
x = 22,241,689.57
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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.