Finding the Fourth Proportional to 22,862,609.68, 34,430,774.35 and 20,821,876.24
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Solution
The fourth proportional to 22,862,609.68, 34,430,774.35 and 20,821,876.24 is: 31,357,457.98
Step by Step Solution
- Step 1: Write the proportion equation
22,862,609.68 : 34,430,774.35 = 20,821,876.24 : x - Step 2: Convert to fraction form
22,862,609.68/34,430,774.35 = 20,821,876.24/x - Step 3: Cross multiply
22,862,609.68x = 34,430,774.35 × 20,821,876.24 - Step 4: Simplify right side
22,862,609.68x = 716,913,322,363,066.38 - Step 5: Solve for x
x = 716,913,322,363,066.38/22,862,609.68 - Step 6: Final answer
x = 31,357,457.98
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.