Finding the Fourth Proportional to 13,903,515.08, 20,867,279.26 and 9,646,672.67
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Solution
The fourth proportional to 13,903,515.08, 20,867,279.26 and 9,646,672.67 is: 14,478,339.57
Step by Step Solution
- Step 1: Write the proportion equation
13,903,515.08 : 20,867,279.26 = 9,646,672.67 : x - Step 2: Convert to fraction form
13,903,515.08/20,867,279.26 = 9,646,672.67/x - Step 3: Cross multiply
13,903,515.08x = 20,867,279.26 × 9,646,672.67 - Step 4: Simplify right side
13,903,515.08x = 201,299,812,538,634.62 - Step 5: Solve for x
x = 201,299,812,538,634.62/13,903,515.08 - Step 6: Final answer
x = 14,478,339.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.