Finding the Fourth Proportional to 9,781,335.44, 14,742,310.30 and 8,431,402.70
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Solution
The fourth proportional to 9,781,335.44, 14,742,310.30 and 8,431,402.70 is: 12,707,708.03
Step by Step Solution
- Step 1: Write the proportion equation
9,781,335.44 : 14,742,310.30 = 8,431,402.70 : x - Step 2: Convert to fraction form
9,781,335.44/14,742,310.30 = 8,431,402.70/x - Step 3: Cross multiply
9,781,335.44x = 14,742,310.30 × 8,431,402.70 - Step 4: Simplify right side
9,781,335.44x = 124,298,354,867,657.81 - Step 5: Solve for x
x = 124,298,354,867,657.81/9,781,335.44 - Step 6: Final answer
x = 12,707,708.03
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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.