Finding the Fourth Proportional to 21,675,774.12, 32,513,769.83 and 5,501,730.18
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Solution
The fourth proportional to 21,675,774.12, 32,513,769.83 and 5,501,730.18 is: 8,252,622.85
Step by Step Solution
- Step 1: Write the proportion equation
21,675,774.12 : 32,513,769.83 = 5,501,730.18 : x - Step 2: Convert to fraction form
21,675,774.12/32,513,769.83 = 5,501,730.18/x - Step 3: Cross multiply
21,675,774.12x = 32,513,769.83 × 5,501,730.18 - Step 4: Simplify right side
21,675,774.12x = 178,881,988,739,284.44 - Step 5: Solve for x
x = 178,881,988,739,284.44/21,675,774.12 - Step 6: Final answer
x = 8,252,622.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.