Finding the Fourth Proportional to 13,214,510.60, 19,821,765.90 and 4,239,969.80
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Solution
The fourth proportional to 13,214,510.60, 19,821,765.90 and 4,239,969.80 is: 6,359,954.70
Step by Step Solution
- Step 1: Write the proportion equation
13,214,510.60 : 19,821,765.90 = 4,239,969.80 : x - Step 2: Convert to fraction form
13,214,510.60/19,821,765.90 = 4,239,969.80/x - Step 3: Cross multiply
13,214,510.60x = 19,821,765.90 × 4,239,969.80 - Step 4: Simplify right side
13,214,510.60x = 84,043,688,798,669.81 - Step 5: Solve for x
x = 84,043,688,798,669.81/13,214,510.60 - Step 6: Final answer
x = 6,359,954.70
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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.