Finding the Fourth Proportional to 18,506,866.08, 27,761,596.80 and 5,725,688.16
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Solution
The fourth proportional to 18,506,866.08, 27,761,596.80 and 5,725,688.16 is: 8,588,933.72
Step by Step Solution
- Step 1: Write the proportion equation
18,506,866.08 : 27,761,596.80 = 5,725,688.16 : x - Step 2: Convert to fraction form
18,506,866.08/27,761,596.80 = 5,725,688.16/x - Step 3: Cross multiply
18,506,866.08x = 27,761,596.80 × 5,725,688.16 - Step 4: Simplify right side
18,506,866.08x = 158,954,246,100,453.91 - Step 5: Solve for x
x = 158,954,246,100,453.91/18,506,866.08 - Step 6: Final answer
x = 8,588,933.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.