Finding the Fourth Proportional to 51,475,238.56, 77,212,814.28 and 13,136,749.84
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Solution
The fourth proportional to 51,475,238.56, 77,212,814.28 and 13,136,749.84 is: 19,705,113.64
Step by Step Solution
- Step 1: Write the proportion equation
51,475,238.56 : 77,212,814.28 = 13,136,749.84 : x - Step 2: Convert to fraction form
51,475,238.56/77,212,814.28 = 13,136,749.84/x - Step 3: Cross multiply
51,475,238.56x = 77,212,814.28 × 13,136,749.84 - Step 4: Simplify right side
51,475,238.56x = 1,014,325,425,638,739.75 - Step 5: Solve for x
x = 1,014,325,425,638,739.75/51,475,238.56 - Step 6: Final answer
x = 19,705,113.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.