Finding the Fourth Proportional to 37,432,885.80, 56,149,328.70 and 13,199,176.20
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Solution
The fourth proportional to 37,432,885.80, 56,149,328.70 and 13,199,176.20 is: 19,798,764.30
Step by Step Solution
- Step 1: Write the proportion equation
37,432,885.80 : 56,149,328.70 = 13,199,176.20 : x - Step 2: Convert to fraction form
37,432,885.80/56,149,328.70 = 13,199,176.20/x - Step 3: Cross multiply
37,432,885.80x = 56,149,328.70 × 13,199,176.20 - Step 4: Simplify right side
37,432,885.80x = 741,124,883,023,017 - Step 5: Solve for x
x = 741,124,883,023,017/37,432,885.80 - Step 6: Final answer
x = 19,798,764.30
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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.