Finding the Fourth Proportional to 10,867,032.26, 16,301,106.74 and 2,780,078.05
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Solution
The fourth proportional to 10,867,032.26, 16,301,106.74 and 2,780,078.05 is: 4,170,259.92
Step by Step Solution
- Step 1: Write the proportion equation
10,867,032.26 : 16,301,106.74 = 2,780,078.05 : x - Step 2: Convert to fraction form
10,867,032.26/16,301,106.74 = 2,780,078.05/x - Step 3: Cross multiply
10,867,032.26x = 16,301,106.74 × 2,780,078.05 - Step 4: Simplify right side
10,867,032.26x = 45,318,349,038,581.05 - Step 5: Solve for x
x = 45,318,349,038,581.05/10,867,032.26 - Step 6: Final answer
x = 4,170,259.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.