Finding the Fourth Proportional to 22,784,717.44, 31,437,624.96 and 13,487,605.12
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Solution
The fourth proportional to 22,784,717.44, 31,437,624.96 and 13,487,605.12 is: 18,609,766.50
Step by Step Solution
- Step 1: Write the proportion equation
22,784,717.44 : 31,437,624.96 = 13,487,605.12 : x - Step 2: Convert to fraction form
22,784,717.44/31,437,624.96 = 13,487,605.12/x - Step 3: Cross multiply
22,784,717.44x = 31,437,624.96 × 13,487,605.12 - Step 4: Simplify right side
22,784,717.44x = 424,018,271,371,135.81 - Step 5: Solve for x
x = 424,018,271,371,135.81/22,784,717.44 - Step 6: Final answer
x = 18,609,766.50
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1.5x scale
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.