Finding the Fourth Proportional to 29,430,782.88, 40,610,163.29 and 17,667,557.07
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Solution
The fourth proportional to 29,430,782.88, 40,610,163.29 and 17,667,557.07 is: 24,378,637.17
Step by Step Solution
- Step 1: Write the proportion equation
29,430,782.88 : 40,610,163.29 = 17,667,557.07 : x - Step 2: Convert to fraction form
29,430,782.88/40,610,163.29 = 17,667,557.07/x - Step 3: Cross multiply
29,430,782.88x = 40,610,163.29 × 17,667,557.07 - Step 4: Simplify right side
29,430,782.88x = 717,482,377,459,756.12 - Step 5: Solve for x
x = 717,482,377,459,756.12/29,430,782.88 - Step 6: Final answer
x = 24,378,637.17
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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.