Finding the Fourth Proportional to 38,416,534.15, 57,624,898.83 and 15,697,431.40
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Solution
The fourth proportional to 38,416,534.15, 57,624,898.83 and 15,697,431.40 is: 23,546,186.98
Step by Step Solution
- Step 1: Write the proportion equation
38,416,534.15 : 57,624,898.83 = 15,697,431.40 : x - Step 2: Convert to fraction form
38,416,534.15/57,624,898.83 = 15,697,431.40/x - Step 3: Cross multiply
38,416,534.15x = 57,624,898.83 × 15,697,431.40 - Step 4: Simplify right side
38,416,534.15x = 904,562,896,315,865.25 - Step 5: Solve for x
x = 904,562,896,315,865.25/38,416,534.15 - Step 6: Final answer
x = 23,546,186.98
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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.