Finding the Fourth Proportional to 15,648,565.87, 23,470,330.96 and 4,286,358.19
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Solution
The fourth proportional to 15,648,565.87, 23,470,330.96 and 4,286,358.19 is: 6,428,847.61
Step by Step Solution
- Step 1: Write the proportion equation
15,648,565.87 : 23,470,330.96 = 4,286,358.19 : x - Step 2: Convert to fraction form
15,648,565.87/23,470,330.96 = 4,286,358.19/x - Step 3: Cross multiply
15,648,565.87x = 23,470,330.96 × 4,286,358.19 - Step 4: Simplify right side
15,648,565.87x = 100,602,245,332,406.58 - Step 5: Solve for x
x = 100,602,245,332,406.58/15,648,565.87 - Step 6: Final answer
x = 6,428,847.61
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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.