Finding the Fourth Proportional to 10,156,965.57, 15,239,722.14 and 6,321,995.46
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Solution
The fourth proportional to 10,156,965.57, 15,239,722.14 and 6,321,995.46 is: 9,485,653.32
Step by Step Solution
- Step 1: Write the proportion equation
10,156,965.57 : 15,239,722.14 = 6,321,995.46 : x - Step 2: Convert to fraction form
10,156,965.57/15,239,722.14 = 6,321,995.46/x - Step 3: Cross multiply
10,156,965.57x = 15,239,722.14 × 6,321,995.46 - Step 4: Simplify right side
10,156,965.57x = 96,345,454,180,741.48 - Step 5: Solve for x
x = 96,345,454,180,741.48/10,156,965.57 - Step 6: Final answer
x = 9,485,653.32
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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.