Finding the Fourth Proportional to 16,128,831.60, 24,193,247.40 and 4,161,567.60
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Solution
The fourth proportional to 16,128,831.60, 24,193,247.40 and 4,161,567.60 is: 6,242,351.40
Step by Step Solution
- Step 1: Write the proportion equation
16,128,831.60 : 24,193,247.40 = 4,161,567.60 : x - Step 2: Convert to fraction form
16,128,831.60/24,193,247.40 = 4,161,567.60/x - Step 3: Cross multiply
16,128,831.60x = 24,193,247.40 × 4,161,567.60 - Step 4: Simplify right side
16,128,831.60x = 100,681,834,518,624.23 - Step 5: Solve for x
x = 100,681,834,518,624.23/16,128,831.60 - Step 6: Final answer
x = 6,242,351.40
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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.