Finding the Fourth Proportional to 20,441,482.92, 30,683,491.74 and 15,056,214.12
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Solution
The fourth proportional to 20,441,482.92, 30,683,491.74 and 15,056,214.12 is: 22,599,985.70
Step by Step Solution
- Step 1: Write the proportion equation
20,441,482.92 : 30,683,491.74 = 15,056,214.12 : x - Step 2: Convert to fraction form
20,441,482.92/30,683,491.74 = 15,056,214.12/x - Step 3: Cross multiply
20,441,482.92x = 30,683,491.74 × 15,056,214.12 - Step 4: Simplify right side
20,441,482.92x = 461,977,221,586,691.31 - Step 5: Solve for x
x = 461,977,221,586,691.31/20,441,482.92 - Step 6: Final answer
x = 22,599,985.70
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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.