Finding the Fourth Proportional to 29,041,212.12, 40,075,351.29 and 15,985,921.08
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Solution
The fourth proportional to 29,041,212.12, 40,075,351.29 and 15,985,921.08 is: 22,059,733.61
Step by Step Solution
- Step 1: Write the proportion equation
29,041,212.12 : 40,075,351.29 = 15,985,921.08 : x - Step 2: Convert to fraction form
29,041,212.12/40,075,351.29 = 15,985,921.08/x - Step 3: Cross multiply
29,041,212.12x = 40,075,351.29 × 15,985,921.08 - Step 4: Simplify right side
29,041,212.12x = 640,641,402,975,216.12 - Step 5: Solve for x
x = 640,641,402,975,216.12/29,041,212.12 - Step 6: Final answer
x = 22,059,733.61
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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.