Finding the Fourth Proportional to 16,128,643.20, 24,192,964.80 and 14,840,937.60
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Solution
The fourth proportional to 16,128,643.20, 24,192,964.80 and 14,840,937.60 is: 22,261,406.40
Step by Step Solution
- Step 1: Write the proportion equation
16,128,643.20 : 24,192,964.80 = 14,840,937.60 : x - Step 2: Convert to fraction form
16,128,643.20/24,192,964.80 = 14,840,937.60/x - Step 3: Cross multiply
16,128,643.20x = 24,192,964.80 × 14,840,937.60 - Step 4: Simplify right side
16,128,643.20x = 359,046,280,955,796.50 - Step 5: Solve for x
x = 359,046,280,955,796.50/16,128,643.20 - Step 6: Final answer
x = 22,261,406.40
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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.