Finding the Fourth Proportional to 7,472,752.72, 10,312,353.11 and 4,210,618.08
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Solution
The fourth proportional to 7,472,752.72, 10,312,353.11 and 4,210,618.08 is: 5,810,627.23
Step by Step Solution
- Step 1: Write the proportion equation
7,472,752.72 : 10,312,353.11 = 4,210,618.08 : x - Step 2: Convert to fraction form
7,472,752.72/10,312,353.11 = 4,210,618.08/x - Step 3: Cross multiply
7,472,752.72x = 10,312,353.11 × 4,210,618.08 - Step 4: Simplify right side
7,472,752.72x = 43,421,380,452,310.23 - Step 5: Solve for x
x = 43,421,380,452,310.23/7,472,752.72 - Step 6: Final answer
x = 5,810,627.23
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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.