Finding the Fourth Proportional to 16,128,807.20, 24,193,210.80 and 9,746,266.40
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Solution
The fourth proportional to 16,128,807.20, 24,193,210.80 and 9,746,266.40 is: 14,619,399.60
Step by Step Solution
- Step 1: Write the proportion equation
16,128,807.20 : 24,193,210.80 = 9,746,266.40 : x - Step 2: Convert to fraction form
16,128,807.20/24,193,210.80 = 9,746,266.40/x - Step 3: Cross multiply
16,128,807.20x = 24,193,210.80 × 9,746,266.40 - Step 4: Simplify right side
16,128,807.20x = 235,793,477,528,157.12 - Step 5: Solve for x
x = 235,793,477,528,157.12/16,128,807.20 - Step 6: Final answer
x = 14,619,399.60
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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.