Finding the Fourth Proportional to 9,864,643.20, 14,796,964.80 and 6,286,273.80
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Solution
The fourth proportional to 9,864,643.20, 14,796,964.80 and 6,286,273.80 is: 9,429,410.70
Step by Step Solution
- Step 1: Write the proportion equation
9,864,643.20 : 14,796,964.80 = 6,286,273.80 : x - Step 2: Convert to fraction form
9,864,643.20/14,796,964.80 = 6,286,273.80/x - Step 3: Cross multiply
9,864,643.20x = 14,796,964.80 × 6,286,273.80 - Step 4: Simplify right side
9,864,643.20x = 93,017,772,141,762.23 - Step 5: Solve for x
x = 93,017,772,141,762.23/9,864,643.20 - Step 6: Final answer
x = 9,429,410.70
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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.