Finding the Fourth Proportional to 8,953,147.60, 13,432,831.80 and 3,908,078.80
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Solution
The fourth proportional to 8,953,147.60, 13,432,831.80 and 3,908,078.80 is: 5,863,475.90
Step by Step Solution
- Step 1: Write the proportion equation
8,953,147.60 : 13,432,831.80 = 3,908,078.80 : x - Step 2: Convert to fraction form
8,953,147.60/13,432,831.80 = 3,908,078.80/x - Step 3: Cross multiply
8,953,147.60x = 13,432,831.80 × 3,908,078.80 - Step 4: Simplify right side
8,953,147.60x = 52,496,565,181,545.84 - Step 5: Solve for x
x = 52,496,565,181,545.84/8,953,147.60 - Step 6: Final answer
x = 5,863,475.90
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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.