Finding the Fourth Proportional to 27,128,799.80, 40,692,543.60 and 16,337,923.10
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Solution
The fourth proportional to 27,128,799.80, 40,692,543.60 and 16,337,923.10 is: 24,506,489.52
Step by Step Solution
- Step 1: Write the proportion equation
27,128,799.80 : 40,692,543.60 = 16,337,923.10 : x - Step 2: Convert to fraction form
27,128,799.80/40,692,543.60 = 16,337,923.10/x - Step 3: Cross multiply
27,128,799.80x = 40,692,543.60 × 16,337,923.10 - Step 4: Simplify right side
27,128,799.80x = 664,831,648,080,197.12 - Step 5: Solve for x
x = 664,831,648,080,197.12/27,128,799.80 - Step 6: Final answer
x = 24,506,489.52
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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.