Finding the Fourth Proportional to 36,709,391.74, 55,014,484.94 and 13,977,888.70
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Solution
The fourth proportional to 36,709,391.74, 55,014,484.94 and 13,977,888.70 is: 20,947,945.77
Step by Step Solution
- Step 1: Write the proportion equation
36,709,391.74 : 55,014,484.94 = 13,977,888.70 : x - Step 2: Convert to fraction form
36,709,391.74/55,014,484.94 = 13,977,888.70/x - Step 3: Cross multiply
36,709,391.74x = 55,014,484.94 × 13,977,888.70 - Step 4: Simplify right side
36,709,391.74x = 768,986,347,379,146.12 - Step 5: Solve for x
x = 768,986,347,379,146.12/36,709,391.74 - Step 6: Final answer
x = 20,947,945.77
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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.