Finding the Fourth Proportional to 23,651,798.06, 32,638,564.75 and 13,197,271.02
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Solution
The fourth proportional to 23,651,798.06, 32,638,564.75 and 13,197,271.02 is: 18,211,722.58
Step by Step Solution
- Step 1: Write the proportion equation
23,651,798.06 : 32,638,564.75 = 13,197,271.02 : x - Step 2: Convert to fraction form
23,651,798.06/32,638,564.75 = 13,197,271.02/x - Step 3: Cross multiply
23,651,798.06x = 32,638,564.75 × 13,197,271.02 - Step 4: Simplify right side
23,651,798.06x = 430,739,984,709,568.50 - Step 5: Solve for x
x = 430,739,984,709,568.50/23,651,798.06 - Step 6: Final answer
x = 18,211,722.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.