Finding the Fourth Proportional to 37,778,341.55, 56,677,408.70 and 11,869,596.09
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Solution
The fourth proportional to 37,778,341.55, 56,677,408.70 and 11,869,596.09 is: 17,807,503.48
Step by Step Solution
- Step 1: Write the proportion equation
37,778,341.55 : 56,677,408.70 = 11,869,596.09 : x - Step 2: Convert to fraction form
37,778,341.55/56,677,408.70 = 11,869,596.09/x - Step 3: Cross multiply
37,778,341.55x = 56,677,408.70 × 11,869,596.09 - Step 4: Simplify right side
37,778,341.55x = 672,737,948,637,504 - Step 5: Solve for x
x = 672,737,948,637,504/37,778,341.55 - Step 6: Final answer
x = 17,807,503.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.