Finding the Fourth Proportional to 36,709,389.74, 55,014,481.94 and 13,977,886.70
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Solution
The fourth proportional to 36,709,389.74, 55,014,481.94 and 13,977,886.70 is: 20,947,942.77
Step by Step Solution
- Step 1: Write the proportion equation
36,709,389.74 : 55,014,481.94 = 13,977,886.70 : x - Step 2: Convert to fraction form
36,709,389.74/55,014,481.94 = 13,977,886.70/x - Step 3: Cross multiply
36,709,389.74x = 55,014,481.94 × 13,977,886.70 - Step 4: Simplify right side
36,709,389.74x = 768,986,195,484,163 - Step 5: Solve for x
x = 768,986,195,484,163/36,709,389.74 - Step 6: Final answer
x = 20,947,942.77
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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.