Finding the Fourth Proportional to 13,121,615.16, 19,681,687.08 and 4,023,687.87
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Solution
The fourth proportional to 13,121,615.16, 19,681,687.08 and 4,023,687.87 is: 6,035,306.22
Step by Step Solution
- Step 1: Write the proportion equation
13,121,615.16 : 19,681,687.08 = 4,023,687.87 : x - Step 2: Convert to fraction form
13,121,615.16/19,681,687.08 = 4,023,687.87/x - Step 3: Cross multiply
13,121,615.16x = 19,681,687.08 × 4,023,687.87 - Step 4: Simplify right side
13,121,615.16x = 79,192,965,564,931.72 - Step 5: Solve for x
x = 79,192,965,564,931.72/13,121,615.16 - Step 6: Final answer
x = 6,035,306.22
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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.