Finding the Fourth Proportional to 53,209,961.36, 79,815,109.56 and 14,871,222.80
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Solution
The fourth proportional to 53,209,961.36, 79,815,109.56 and 14,871,222.80 is: 22,306,881.02
Step by Step Solution
- Step 1: Write the proportion equation
53,209,961.36 : 79,815,109.56 = 14,871,222.80 : x - Step 2: Convert to fraction form
53,209,961.36/79,815,109.56 = 14,871,222.80/x - Step 3: Cross multiply
53,209,961.36x = 79,815,109.56 × 14,871,222.80 - Step 4: Simplify right side
53,209,961.36x = 1,186,948,277,073,170 - Step 5: Solve for x
x = 1,186,948,277,073,170/53,209,961.36 - Step 6: Final answer
x = 22,306,881.02
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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.