Finding the Fourth Proportional to 7,808,799.12, 11,712,853.41 and 2,129,023.68
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Solution
The fourth proportional to 7,808,799.12, 11,712,853.41 and 2,129,023.68 is: 3,193,441.38
Step by Step Solution
- Step 1: Write the proportion equation
7,808,799.12 : 11,712,853.41 = 2,129,023.68 : x - Step 2: Convert to fraction form
7,808,799.12/11,712,853.41 = 2,129,023.68/x - Step 3: Cross multiply
7,808,799.12x = 11,712,853.41 × 2,129,023.68 - Step 4: Simplify right side
7,808,799.12x = 24,936,942,270,258.75 - Step 5: Solve for x
x = 24,936,942,270,258.75/7,808,799.12 - Step 6: Final answer
x = 3,193,441.38
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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.