Finding the Fourth Proportional to 16,480,903.24, 22,742,537.84 and 9,138,464.57
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Solution
The fourth proportional to 16,480,903.24, 22,742,537.84 and 9,138,464.57 is: 12,610,466.37
Step by Step Solution
- Step 1: Write the proportion equation
16,480,903.24 : 22,742,537.84 = 9,138,464.57 : x - Step 2: Convert to fraction form
16,480,903.24/22,742,537.84 = 9,138,464.57/x - Step 3: Cross multiply
16,480,903.24x = 22,742,537.84 × 9,138,464.57 - Step 4: Simplify right side
16,480,903.24x = 207,831,876,123,319.31 - Step 5: Solve for x
x = 207,831,876,123,319.31/16,480,903.24 - Step 6: Final answer
x = 12,610,466.37
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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.