Finding the Fourth Proportional to 8,126,386.24, 11,214,539.28 and 4,455,638.08
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Solution
The fourth proportional to 8,126,386.24, 11,214,539.28 and 4,455,638.08 is: 6,148,849.78
Step by Step Solution
- Step 1: Write the proportion equation
8,126,386.24 : 11,214,539.28 = 4,455,638.08 : x - Step 2: Convert to fraction form
8,126,386.24/11,214,539.28 = 4,455,638.08/x - Step 3: Cross multiply
8,126,386.24x = 11,214,539.28 × 4,455,638.08 - Step 4: Simplify right side
8,126,386.24x = 49,967,928,265,623.78 - Step 5: Solve for x
x = 49,967,928,265,623.78/8,126,386.24 - Step 6: Final answer
x = 6,148,849.78
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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.