Finding the Fourth Proportional to 16,300,928.70, 24,451,393.05 and 4,939,901.10
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Solution
The fourth proportional to 16,300,928.70, 24,451,393.05 and 4,939,901.10 is: 7,409,851.65
Step by Step Solution
- Step 1: Write the proportion equation
16,300,928.70 : 24,451,393.05 = 4,939,901.10 : x - Step 2: Convert to fraction form
16,300,928.70/24,451,393.05 = 4,939,901.10/x - Step 3: Cross multiply
16,300,928.70x = 24,451,393.05 × 4,939,901.10 - Step 4: Simplify right side
16,300,928.70x = 120,787,463,424,227.34 - Step 5: Solve for x
x = 120,787,463,424,227.34/16,300,928.70 - Step 6: Final answer
x = 7,409,851.65
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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.