Finding the Fourth Proportional to 35,349,363.91, 48,781,357.33 and 20,465,315.52
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Solution
The fourth proportional to 35,349,363.91, 48,781,357.33 and 20,465,315.52 is: 28,241,692.60
Step by Step Solution
- Step 1: Write the proportion equation
35,349,363.91 : 48,781,357.33 = 20,465,315.52 : x - Step 2: Convert to fraction form
35,349,363.91/48,781,357.33 = 20,465,315.52/x - Step 3: Cross multiply
35,349,363.91x = 48,781,357.33 × 20,465,315.52 - Step 4: Simplify right side
35,349,363.91x = 998,325,869,252,314.75 - Step 5: Solve for x
x = 998,325,869,252,314.75/35,349,363.91 - Step 6: Final answer
x = 28,241,692.60
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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.