Finding the Fourth Proportional to 19,356,465.60, 29,044,029.60 and 13,664,433.60
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Solution
The fourth proportional to 19,356,465.60, 29,044,029.60 and 13,664,433.60 is: 20,503,237.63
Step by Step Solution
- Step 1: Write the proportion equation
19,356,465.60 : 29,044,029.60 = 13,664,433.60 : x - Step 2: Convert to fraction form
19,356,465.60/29,044,029.60 = 13,664,433.60/x - Step 3: Cross multiply
19,356,465.60x = 29,044,029.60 × 13,664,433.60 - Step 4: Simplify right side
19,356,465.60x = 396,870,213,945,634.56 - Step 5: Solve for x
x = 396,870,213,945,634.56/19,356,465.60 - Step 6: Final answer
x = 20,503,237.63
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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.