Finding the Fourth Proportional to 13,548,593.20, 18,697,079.16 and 7,353,642.17
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Solution
The fourth proportional to 13,548,593.20, 18,697,079.16 and 7,353,642.17 is: 10,148,037.34
Step by Step Solution
- Step 1: Write the proportion equation
13,548,593.20 : 18,697,079.16 = 7,353,642.17 : x - Step 2: Convert to fraction form
13,548,593.20/18,697,079.16 = 7,353,642.17/x - Step 3: Cross multiply
13,548,593.20x = 18,697,079.16 × 7,353,642.17 - Step 4: Simplify right side
13,548,593.20x = 137,491,629,636,550.58 - Step 5: Solve for x
x = 137,491,629,636,550.58/13,548,593.20 - Step 6: Final answer
x = 10,148,037.34
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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.