Finding the Fourth Proportional to 36,709,381.62, 55,014,469.74 and 13,977,878.58
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Solution
The fourth proportional to 36,709,381.62, 55,014,469.74 and 13,977,878.58 is: 20,947,930.59
Step by Step Solution
- Step 1: Write the proportion equation
36,709,381.62 : 55,014,469.74 = 13,977,878.58 : x - Step 2: Convert to fraction form
36,709,381.62/55,014,469.74 = 13,977,878.58/x - Step 3: Cross multiply
36,709,381.62x = 55,014,469.74 × 13,977,878.58 - Step 4: Simplify right side
36,709,381.62x = 768,985,578,168,804.25 - Step 5: Solve for x
x = 768,985,578,168,804.25/36,709,381.62 - Step 6: Final answer
x = 20,947,930.59
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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.