Finding the Fourth Proportional to 29,262,259.84, 43,715,412.52 and 18,943,053.42
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Solution
The fourth proportional to 29,262,259.84, 43,715,412.52 and 18,943,053.42 is: 28,299,365.78
Step by Step Solution
- Step 1: Write the proportion equation
29,262,259.84 : 43,715,412.52 = 18,943,053.42 : x - Step 2: Convert to fraction form
29,262,259.84/43,715,412.52 = 18,943,053.42/x - Step 3: Cross multiply
29,262,259.84x = 43,715,412.52 × 18,943,053.42 - Step 4: Simplify right side
29,262,259.84x = 828,103,394,643,697 - Step 5: Solve for x
x = 828,103,394,643,697/29,262,259.84 - Step 6: Final answer
x = 28,299,365.78
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.