Finding the Fourth Proportional to 8,615,473.94, 11,889,435.21 and 4,748,134.34
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Solution
The fourth proportional to 8,615,473.94, 11,889,435.21 and 4,748,134.34 is: 6,552,470.12
Step by Step Solution
- Step 1: Write the proportion equation
8,615,473.94 : 11,889,435.21 = 4,748,134.34 : x - Step 2: Convert to fraction form
8,615,473.94/11,889,435.21 = 4,748,134.34/x - Step 3: Cross multiply
8,615,473.94x = 11,889,435.21 × 4,748,134.34 - Step 4: Simplify right side
8,615,473.94x = 56,452,635,603,806.12 - Step 5: Solve for x
x = 56,452,635,603,806.12/8,615,473.94 - Step 6: Final answer
x = 6,552,470.12
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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.