Finding the Fourth Proportional to 12,237,611.90, 18,358,509.14 and 5,045,214.07
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Solution
The fourth proportional to 12,237,611.90, 18,358,509.14 and 5,045,214.07 is: 7,568,683.28
Step by Step Solution
- Step 1: Write the proportion equation
12,237,611.90 : 18,358,509.14 = 5,045,214.07 : x - Step 2: Convert to fraction form
12,237,611.90/18,358,509.14 = 5,045,214.07/x - Step 3: Cross multiply
12,237,611.90x = 18,358,509.14 × 5,045,214.07 - Step 4: Simplify right side
12,237,611.90x = 92,622,608,584,068.34 - Step 5: Solve for x
x = 92,622,608,584,068.34/12,237,611.90 - Step 6: Final answer
x = 7,568,683.28
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1.5x scale
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.