Finding the Fourth Proportional to 48,200,709.09, 66,516,028.49 and 28,356,619.11
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Solution
The fourth proportional to 48,200,709.09, 66,516,028.49 and 28,356,619.11 is: 39,131,575.45
Step by Step Solution
- Step 1: Write the proportion equation
48,200,709.09 : 66,516,028.49 = 28,356,619.11 : x - Step 2: Convert to fraction form
48,200,709.09/66,516,028.49 = 28,356,619.11/x - Step 3: Cross multiply
48,200,709.09x = 66,516,028.49 × 28,356,619.11 - Step 4: Simplify right side
48,200,709.09x = 1,886,169,684,636,941.50 - Step 5: Solve for x
x = 1,886,169,684,636,941.50/48,200,709.09 - Step 6: Final answer
x = 39,131,575.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.