Finding the Fourth Proportional to 12,077,848.36, 16,667,889.20 and 6,922,204.84
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Solution
The fourth proportional to 12,077,848.36, 16,667,889.20 and 6,922,204.84 is: 9,552,905.44
Step by Step Solution
- Step 1: Write the proportion equation
12,077,848.36 : 16,667,889.20 = 6,922,204.84 : x - Step 2: Convert to fraction form
12,077,848.36/16,667,889.20 = 6,922,204.84/x - Step 3: Cross multiply
12,077,848.36x = 16,667,889.20 × 6,922,204.84 - Step 4: Simplify right side
12,077,848.36x = 115,378,543,292,823.72 - Step 5: Solve for x
x = 115,378,543,292,823.72/12,077,848.36 - Step 6: Final answer
x = 9,552,905.44
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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.