Finding the Fourth Proportional to 10,557,133.44, 15,808,557.84 and 7,314,053.80
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Solution
The fourth proportional to 10,557,133.44, 15,808,557.84 and 7,314,053.80 is: 10,952,276.32
Step by Step Solution
- Step 1: Write the proportion equation
10,557,133.44 : 15,808,557.84 = 7,314,053.80 : x - Step 2: Convert to fraction form
10,557,133.44/15,808,557.84 = 7,314,053.80/x - Step 3: Cross multiply
10,557,133.44x = 15,808,557.84 × 7,314,053.80 - Step 4: Simplify right side
10,557,133.44x = 115,624,642,542,171.78 - Step 5: Solve for x
x = 115,624,642,542,171.78/10,557,133.44 - Step 6: Final answer
x = 10,952,276.32
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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.