Finding the Fourth Proportional to 13,487,113.44, 18,613,921.20 and 8,844,804.08
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Solution
The fourth proportional to 13,487,113.44, 18,613,921.20 and 8,844,804.08 is: 12,206,947.54
Step by Step Solution
- Step 1: Write the proportion equation
13,487,113.44 : 18,613,921.20 = 8,844,804.08 : x - Step 2: Convert to fraction form
13,487,113.44/18,613,921.20 = 8,844,804.08/x - Step 3: Cross multiply
13,487,113.44x = 18,613,921.20 × 8,844,804.08 - Step 4: Simplify right side
13,487,113.44x = 164,636,486,174,558.50 - Step 5: Solve for x
x = 164,636,486,174,558.50/13,487,113.44 - Step 6: Final answer
x = 12,206,947.54
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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.