Finding the Fourth Proportional to 10,586,247.20, 15,879,370.80 and 9,609,970.40
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Solution
The fourth proportional to 10,586,247.20, 15,879,370.80 and 9,609,970.40 is: 14,414,955.60
Step by Step Solution
- Step 1: Write the proportion equation
10,586,247.20 : 15,879,370.80 = 9,609,970.40 : x - Step 2: Convert to fraction form
10,586,247.20/15,879,370.80 = 9,609,970.40/x - Step 3: Cross multiply
10,586,247.20x = 15,879,370.80 × 9,609,970.40 - Step 4: Simplify right side
10,586,247.20x = 152,600,283,358,624.34 - Step 5: Solve for x
x = 152,600,283,358,624.34/10,586,247.20 - Step 6: Final answer
x = 14,414,955.60
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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.