Finding the Fourth Proportional to 20,467,435.68, 30,652,208.46 and 11,805,277.05
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Solution
The fourth proportional to 20,467,435.68, 30,652,208.46 and 11,805,277.05 is: 17,679,684.88
Step by Step Solution
- Step 1: Write the proportion equation
20,467,435.68 : 30,652,208.46 = 11,805,277.05 : x - Step 2: Convert to fraction form
20,467,435.68/30,652,208.46 = 11,805,277.05/x - Step 3: Cross multiply
20,467,435.68x = 30,652,208.46 × 11,805,277.05 - Step 4: Simplify right side
20,467,435.68x = 361,857,813,064,653.88 - Step 5: Solve for x
x = 361,857,813,064,653.88/20,467,435.68 - Step 6: Final answer
x = 17,679,684.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.