Finding the Fourth Proportional to 13,767,043.32, 19,017,947.34 and 11,031,900.12
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Solution
The fourth proportional to 13,767,043.32, 19,017,947.34 and 11,031,900.12 is: 15,239,589.99
Step by Step Solution
- Step 1: Write the proportion equation
13,767,043.32 : 19,017,947.34 = 11,031,900.12 : x - Step 2: Convert to fraction form
13,767,043.32/19,017,947.34 = 11,031,900.12/x - Step 3: Cross multiply
13,767,043.32x = 19,017,947.34 × 11,031,900.12 - Step 4: Simplify right side
13,767,043.32x = 209,804,095,542,299.66 - Step 5: Solve for x
x = 209,804,095,542,299.66/13,767,043.32 - Step 6: Final answer
x = 15,239,589.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.