Finding the Fourth Proportional to 45,821,518.96, 68,686,878.37 and 21,516,938.26
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Solution
The fourth proportional to 45,821,518.96, 68,686,878.37 and 21,516,938.26 is: 32,254,088.36
Step by Step Solution
- Step 1: Write the proportion equation
45,821,518.96 : 68,686,878.37 = 21,516,938.26 : x - Step 2: Convert to fraction form
45,821,518.96/68,686,878.37 = 21,516,938.26/x - Step 3: Cross multiply
45,821,518.96x = 68,686,878.37 × 21,516,938.26 - Step 4: Simplify right side
45,821,518.96x = 1,477,931,321,159,419.75 - Step 5: Solve for x
x = 1,477,931,321,159,419.75/45,821,518.96 - Step 6: Final answer
x = 32,254,088.36
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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.