Finding the Fourth Proportional to 16,778,989.44, 23,156,971.20 and 9,536,734.08
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Solution
The fourth proportional to 16,778,989.44, 23,156,971.20 and 9,536,734.08 is: 13,161,810.32
Step by Step Solution
- Step 1: Write the proportion equation
16,778,989.44 : 23,156,971.20 = 9,536,734.08 : x - Step 2: Convert to fraction form
16,778,989.44/23,156,971.20 = 9,536,734.08/x - Step 3: Cross multiply
16,778,989.44x = 23,156,971.20 × 9,536,734.08 - Step 4: Simplify right side
16,778,989.44x = 220,841,876,432,618.50 - Step 5: Solve for x
x = 220,841,876,432,618.50/16,778,989.44 - Step 6: Final answer
x = 13,161,810.32
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1.5x scale
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.