Finding the Fourth Proportional to 12,884,742.68, 19,326,108.90 and 7,489,952.06
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Solution
The fourth proportional to 12,884,742.68, 19,326,108.90 and 7,489,952.06 is: 11,234,343.81
Step by Step Solution
- Step 1: Write the proportion equation
12,884,742.68 : 19,326,108.90 = 7,489,952.06 : x - Step 2: Convert to fraction form
12,884,742.68/19,326,108.90 = 7,489,952.06/x - Step 3: Cross multiply
12,884,742.68x = 19,326,108.90 × 7,489,952.06 - Step 4: Simplify right side
12,884,742.68x = 144,751,629,167,339.31 - Step 5: Solve for x
x = 144,751,629,167,339.31/12,884,742.68 - Step 6: Final answer
x = 11,234,343.81
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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.