Finding the Fourth Proportional to 43,368,775.68, 65,073,029.28 and 18,784,221.72
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Solution
The fourth proportional to 43,368,775.68, 65,073,029.28 and 18,784,221.72 is: 28,184,936.99
Step by Step Solution
- Step 1: Write the proportion equation
43,368,775.68 : 65,073,029.28 = 18,784,221.72 : x - Step 2: Convert to fraction form
43,368,775.68/65,073,029.28 = 18,784,221.72/x - Step 3: Cross multiply
43,368,775.68x = 65,073,029.28 × 18,784,221.72 - Step 4: Simplify right side
43,368,775.68x = 1,222,346,209,987,572 - Step 5: Solve for x
x = 1,222,346,209,987,572/43,368,775.68 - Step 6: Final answer
x = 28,184,936.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.