Finding the Fourth Proportional to 43,486,895.97, 65,230,356.92 and 12,781,480.77
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Solution
The fourth proportional to 43,486,895.97, 65,230,356.92 and 12,781,480.77 is: 19,172,224.96
Step by Step Solution
- Step 1: Write the proportion equation
43,486,895.97 : 65,230,356.92 = 12,781,480.77 : x - Step 2: Convert to fraction form
43,486,895.97/65,230,356.92 = 12,781,480.77/x - Step 3: Cross multiply
43,486,895.97x = 65,230,356.92 × 12,781,480.77 - Step 4: Simplify right side
43,486,895.97x = 833,740,552,529,309 - Step 5: Solve for x
x = 833,740,552,529,309/43,486,895.97 - Step 6: Final answer
x = 19,172,224.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.