Finding the Fourth Proportional to 56,403,906.80, 84,605,860.20 and 16,014,390.80
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Solution
The fourth proportional to 56,403,906.80, 84,605,860.20 and 16,014,390.80 is: 24,021,586.20
Step by Step Solution
- Step 1: Write the proportion equation
56,403,906.80 : 84,605,860.20 = 16,014,390.80 : x - Step 2: Convert to fraction form
56,403,906.80/84,605,860.20 = 16,014,390.80/x - Step 3: Cross multiply
56,403,906.80x = 84,605,860.20 × 16,014,390.80 - Step 4: Simplify right side
56,403,906.80x = 1,354,911,309,212,966.25 - Step 5: Solve for x
x = 1,354,911,309,212,966.25/56,403,906.80 - Step 6: Final answer
x = 24,021,586.20
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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.