Finding the Fourth Proportional to 19,826,775.81, 29,733,426.34 and 6,869,902.82
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Solution
The fourth proportional to 19,826,775.81, 29,733,426.34 and 6,869,902.82 is: 10,302,519.75
Step by Step Solution
- Step 1: Write the proportion equation
19,826,775.81 : 29,733,426.34 = 6,869,902.82 : x - Step 2: Convert to fraction form
19,826,775.81/29,733,426.34 = 6,869,902.82/x - Step 3: Cross multiply
19,826,775.81x = 29,733,426.34 × 6,869,902.82 - Step 4: Simplify right side
19,826,775.81x = 204,265,749,432,848.84 - Step 5: Solve for x
x = 204,265,749,432,848.84/19,826,775.81 - Step 6: Final answer
x = 10,302,519.75
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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.