Finding the Fourth Proportional to 13,903,690.68, 20,861,291.40 and 7,506,419.16
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Solution
The fourth proportional to 13,903,690.68, 20,861,291.40 and 7,506,419.16 is: 11,262,735.99
Step by Step Solution
- Step 1: Write the proportion equation
13,903,690.68 : 20,861,291.40 = 7,506,419.16 : x - Step 2: Convert to fraction form
13,903,690.68/20,861,291.40 = 7,506,419.16/x - Step 3: Cross multiply
13,903,690.68x = 20,861,291.40 × 7,506,419.16 - Step 4: Simplify right side
13,903,690.68x = 156,593,597,467,303.22 - Step 5: Solve for x
x = 156,593,597,467,303.22/13,903,690.68 - Step 6: Final answer
x = 11,262,735.99
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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.