Finding the Fourth Proportional to 14,548,781.12, 21,829,465.44 and 7,809,327.68
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Solution
The fourth proportional to 14,548,781.12, 21,829,465.44 and 7,809,327.68 is: 11,717,369.81
Step by Step Solution
- Step 1: Write the proportion equation
14,548,781.12 : 21,829,465.44 = 7,809,327.68 : x - Step 2: Convert to fraction form
14,548,781.12/21,829,465.44 = 7,809,327.68/x - Step 3: Cross multiply
14,548,781.12x = 21,829,465.44 × 7,809,327.68 - Step 4: Simplify right side
14,548,781.12x = 170,473,448,700,195.38 - Step 5: Solve for x
x = 170,473,448,700,195.38/14,548,781.12 - Step 6: Final answer
x = 11,717,369.81
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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.