Finding the Fourth Proportional to 14,205,831.72, 21,308,944.14 and 4,621,260.48
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Solution
The fourth proportional to 14,205,831.72, 21,308,944.14 and 4,621,260.48 is: 6,931,954.66
Step by Step Solution
- Step 1: Write the proportion equation
14,205,831.72 : 21,308,944.14 = 4,621,260.48 : x - Step 2: Convert to fraction form
14,205,831.72/21,308,944.14 = 4,621,260.48/x - Step 3: Cross multiply
14,205,831.72x = 21,308,944.14 × 4,621,260.48 - Step 4: Simplify right side
14,205,831.72x = 98,474,181,424,709.59 - Step 5: Solve for x
x = 98,474,181,424,709.59/14,205,831.72 - Step 6: Final answer
x = 6,931,954.66
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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.