Finding the Fourth Proportional to 14,318,068.02, 19,758,937.08 and 7,879,540.02
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Solution
The fourth proportional to 14,318,068.02, 19,758,937.08 and 7,879,540.02 is: 10,873,766.99
Step by Step Solution
- Step 1: Write the proportion equation
14,318,068.02 : 19,758,937.08 = 7,879,540.02 : x - Step 2: Convert to fraction form
14,318,068.02/19,758,937.08 = 7,879,540.02/x - Step 3: Cross multiply
14,318,068.02x = 19,758,937.08 × 7,879,540.02 - Step 4: Simplify right side
14,318,068.02x = 155,691,335,356,028.41 - Step 5: Solve for x
x = 155,691,335,356,028.41/14,318,068.02 - Step 6: Final answer
x = 10,873,766.99
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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.