Finding the Fourth Proportional to 19,031,487.20, 26,263,122.75 and 10,329,472.92
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Solution
The fourth proportional to 19,031,487.20, 26,263,122.75 and 10,329,472.92 is: 14,254,493.75
Step by Step Solution
- Step 1: Write the proportion equation
19,031,487.20 : 26,263,122.75 = 10,329,472.92 : x - Step 2: Convert to fraction form
19,031,487.20/26,263,122.75 = 10,329,472.92/x - Step 3: Cross multiply
19,031,487.20x = 26,263,122.75 × 10,329,472.92 - Step 4: Simplify right side
19,031,487.20x = 271,284,215,240,760.94 - Step 5: Solve for x
x = 271,284,215,240,760.94/19,031,487.20 - Step 6: Final answer
x = 14,254,493.75
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1.5x scale
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.