Finding the Fourth Proportional to 13,122,598.87, 19,682,170.15 and 3,900,374.49
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Solution
The fourth proportional to 13,122,598.87, 19,682,170.15 and 3,900,374.49 is: 5,850,048.08
Step by Step Solution
- Step 1: Write the proportion equation
13,122,598.87 : 19,682,170.15 = 3,900,374.49 : x - Step 2: Convert to fraction form
13,122,598.87/19,682,170.15 = 3,900,374.49/x - Step 3: Cross multiply
13,122,598.87x = 19,682,170.15 × 3,900,374.49 - Step 4: Simplify right side
13,122,598.87x = 76,767,834,360,899.47 - Step 5: Solve for x
x = 76,767,834,360,899.47/13,122,598.87 - Step 6: Final answer
x = 5,850,048.08
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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.