Finding the Fourth Proportional to 11,657,947.36, 16,087,936.08 and 6,501,314.56
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Solution
The fourth proportional to 11,657,947.36, 16,087,936.08 and 6,501,314.56 is: 8,971,796.65
Step by Step Solution
- Step 1: Write the proportion equation
11,657,947.36 : 16,087,936.08 = 6,501,314.56 : x - Step 2: Convert to fraction form
11,657,947.36/16,087,936.08 = 6,501,314.56/x - Step 3: Cross multiply
11,657,947.36x = 16,087,936.08 × 6,501,314.56 - Step 4: Simplify right side
11,657,947.36x = 104,592,733,077,253.31 - Step 5: Solve for x
x = 104,592,733,077,253.31/11,657,947.36 - Step 6: Final answer
x = 8,971,796.65
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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.