Finding the Fourth Proportional to 16,319,219.60, 24,478,829.40 and 7,816,163.60
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Solution
The fourth proportional to 16,319,219.60, 24,478,829.40 and 7,816,163.60 is: 11,724,245.40
Step by Step Solution
- Step 1: Write the proportion equation
16,319,219.60 : 24,478,829.40 = 7,816,163.60 : x - Step 2: Convert to fraction form
16,319,219.60/24,478,829.40 = 7,816,163.60/x - Step 3: Cross multiply
16,319,219.60x = 24,478,829.40 × 7,816,163.60 - Step 4: Simplify right side
16,319,219.60x = 191,330,535,326,889.81 - Step 5: Solve for x
x = 191,330,535,326,889.81/16,319,219.60 - Step 6: Final answer
x = 11,724,245.40
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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.