Finding the Fourth Proportional to 16,171,420.40, 24,257,130.60 and 11,919,892.40
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Solution
The fourth proportional to 16,171,420.40, 24,257,130.60 and 11,919,892.40 is: 17,879,838.60
Step by Step Solution
- Step 1: Write the proportion equation
16,171,420.40 : 24,257,130.60 = 11,919,892.40 : x - Step 2: Convert to fraction form
16,171,420.40/24,257,130.60 = 11,919,892.40/x - Step 3: Cross multiply
16,171,420.40x = 24,257,130.60 × 11,919,892.40 - Step 4: Simplify right side
16,171,420.40x = 289,142,386,684,747.44 - Step 5: Solve for x
x = 289,142,386,684,747.44/16,171,420.40 - Step 6: Final answer
x = 17,879,838.60
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1.5x scale
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.