Finding the Fourth Proportional to 14,485,965.30, 21,697,455.15 and 8,796,266.10
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Solution
The fourth proportional to 14,485,965.30, 21,697,455.15 and 8,796,266.10 is: 13,175,275.88
Step by Step Solution
- Step 1: Write the proportion equation
14,485,965.30 : 21,697,455.15 = 8,796,266.10 : x - Step 2: Convert to fraction form
14,485,965.30/21,697,455.15 = 8,796,266.10/x - Step 3: Cross multiply
14,485,965.30x = 21,697,455.15 × 8,796,266.10 - Step 4: Simplify right side
14,485,965.30x = 190,856,589,192,215.41 - Step 5: Solve for x
x = 190,856,589,192,215.41/14,485,965.30 - Step 6: Final answer
x = 13,175,275.88
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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.