Finding the Fourth Proportional to 13,702,901.24, 18,908,478.06 and 7,589,798.84
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Solution
The fourth proportional to 13,702,901.24, 18,908,478.06 and 7,589,798.84 is: 10,473,077.37
Step by Step Solution
- Step 1: Write the proportion equation
13,702,901.24 : 18,908,478.06 = 7,589,798.84 : x - Step 2: Convert to fraction form
13,702,901.24/18,908,478.06 = 7,589,798.84/x - Step 3: Cross multiply
13,702,901.24x = 18,908,478.06 × 7,589,798.84 - Step 4: Simplify right side
13,702,901.24x = 143,511,544,845,953.44 - Step 5: Solve for x
x = 143,511,544,845,953.44/13,702,901.24 - Step 6: Final answer
x = 10,473,077.37
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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.