Finding the Fourth Proportional to 20,037,874.41, 27,652,270.19 and 11,335,867.02
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Solution
The fourth proportional to 20,037,874.41, 27,652,270.19 and 11,335,867.02 is: 15,643,498.47
Step by Step Solution
- Step 1: Write the proportion equation
20,037,874.41 : 27,652,270.19 = 11,335,867.02 : x - Step 2: Convert to fraction form
20,037,874.41/27,652,270.19 = 11,335,867.02/x - Step 3: Cross multiply
20,037,874.41x = 27,652,270.19 × 11,335,867.02 - Step 4: Simplify right side
20,037,874.41x = 313,462,457,618,270.75 - Step 5: Solve for x
x = 313,462,457,618,270.75/20,037,874.41 - Step 6: Final answer
x = 15,643,498.47
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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.