Finding the Fourth Proportional to 36,000,715.98, 49,681,119.72 and 19,480,840.66
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Solution
The fourth proportional to 36,000,715.98, 49,681,119.72 and 19,480,840.66 is: 26,883,631.36
Step by Step Solution
- Step 1: Write the proportion equation
36,000,715.98 : 49,681,119.72 = 19,480,840.66 : x - Step 2: Convert to fraction form
36,000,715.98/49,681,119.72 = 19,480,840.66/x - Step 3: Cross multiply
36,000,715.98x = 49,681,119.72 × 19,480,840.66 - Step 4: Simplify right side
36,000,715.98x = 967,829,977,075,703.75 - Step 5: Solve for x
x = 967,829,977,075,703.75/36,000,715.98 - Step 6: Final answer
x = 26,883,631.36
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1.5x scale
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.