Finding the Fourth Proportional to 7,671,942.08, 11,509,429.12 and 2,814,293.68
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Solution
The fourth proportional to 7,671,942.08, 11,509,429.12 and 2,814,293.68 is: 4,221,996.63
Step by Step Solution
- Step 1: Write the proportion equation
7,671,942.08 : 11,509,429.12 = 2,814,293.68 : x - Step 2: Convert to fraction form
7,671,942.08/11,509,429.12 = 2,814,293.68/x - Step 3: Cross multiply
7,671,942.08x = 11,509,429.12 × 2,814,293.68 - Step 4: Simplify right side
7,671,942.08x = 32,390,913,632,823.96 - Step 5: Solve for x
x = 32,390,913,632,823.96/7,671,942.08 - Step 6: Final answer
x = 4,221,996.63
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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.