Finding the Fourth Proportional to 14,085,321.18, 21,135,831.93 and 7,608,265.98
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Solution
The fourth proportional to 14,085,321.18, 21,135,831.93 and 7,608,265.98 is: 11,416,639.28
Step by Step Solution
- Step 1: Write the proportion equation
14,085,321.18 : 21,135,831.93 = 7,608,265.98 : x - Step 2: Convert to fraction form
14,085,321.18/21,135,831.93 = 7,608,265.98/x - Step 3: Cross multiply
14,085,321.18x = 21,135,831.93 × 7,608,265.98 - Step 4: Simplify right side
14,085,321.18x = 160,807,031,032,016.75 - Step 5: Solve for x
x = 160,807,031,032,016.75/14,085,321.18 - Step 6: Final answer
x = 11,416,639.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.