Finding the Fourth Proportional to 31,829,114.08, 47,709,679.36 and 18,152,812.09
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Solution
The fourth proportional to 31,829,114.08, 47,709,679.36 and 18,152,812.09 is: 27,209,831.93
Step by Step Solution
- Step 1: Write the proportion equation
31,829,114.08 : 47,709,679.36 = 18,152,812.09 : x - Step 2: Convert to fraction form
31,829,114.08/47,709,679.36 = 18,152,812.09/x - Step 3: Cross multiply
31,829,114.08x = 47,709,679.36 × 18,152,812.09 - Step 4: Simplify right side
31,829,114.08x = 866,064,844,395,568.62 - Step 5: Solve for x
x = 866,064,844,395,568.62/31,829,114.08 - Step 6: Final answer
x = 27,209,831.93
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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.