Finding the Fourth Proportional to 10,225,619.70, 15,338,429.55 and 9,595,763.70
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Solution
The fourth proportional to 10,225,619.70, 15,338,429.55 and 9,595,763.70 is: 14,393,645.55
Step by Step Solution
- Step 1: Write the proportion equation
10,225,619.70 : 15,338,429.55 = 9,595,763.70 : x - Step 2: Convert to fraction form
10,225,619.70/15,338,429.55 = 9,595,763.70/x - Step 3: Cross multiply
10,225,619.70x = 15,338,429.55 × 9,595,763.70 - Step 4: Simplify right side
10,225,619.70x = 147,183,945,490,897.34 - Step 5: Solve for x
x = 147,183,945,490,897.34/10,225,619.70 - Step 6: Final answer
x = 14,393,645.55
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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.