Finding the Fourth Proportional to 10,230,506.28, 14,118,099.84 and 5,646,828.84
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Solution
The fourth proportional to 10,230,506.28, 14,118,099.84 and 5,646,828.84 is: 7,792,624.45
Step by Step Solution
- Step 1: Write the proportion equation
10,230,506.28 : 14,118,099.84 = 5,646,828.84 : x - Step 2: Convert to fraction form
10,230,506.28/14,118,099.84 = 5,646,828.84/x - Step 3: Cross multiply
10,230,506.28x = 14,118,099.84 × 5,646,828.84 - Step 4: Simplify right side
10,230,506.28x = 79,722,493,342,511.38 - Step 5: Solve for x
x = 79,722,493,342,511.38/10,230,506.28 - Step 6: Final answer
x = 7,792,624.45
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1.5x scale
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.